ZONGJI BY01 (JM13/JM13Pro)

User Manual: ZONGJI BY01 OWS Wireless Bluetooth Earphones

Model: BY01 (JM13/JM13Pro)

1. Introduction and Overview

The ZONGJI BY01 (JM13/JM13Pro) OWS Wireless Bluetooth Earphones are designed to provide a high-quality audio experience with comfort and convenience. These open-ear headphones feature advanced Bluetooth connectivity, long battery life, and a durable, waterproof design, making them suitable for various activities including sports and daily use. A unique feature is the dual functionality, allowing the charging case to also act as a portable speaker.

Key features include:

  • Open OWS (Open Wireless Stereo) design for comfortable, non-in-ear wear.
  • Bluetooth 5.3 (or 5.4 in some variants) for stable and fast connections.
  • HIFI Sound quality with a 16mm composite diaphragm moving coil.
  • Long battery life: up to 5 hours of music playback, 4 hours of call time, and up to 36 hours with the charging case.
  • Dual Headphones + Audio: The charging case can function as a practical HD audio speaker.
  • IPX5 life-grade waterproof and dustproof rating.
  • Smart HD Call functionality with intercom noise reduction.
  • Lightweight and ergonomic design for comfortable, sensless wear.
  • Touch control support.
ZONGJI BY01 OWS Wireless Bluetooth Earphones in various colors
Figure 1: ZONGJI BY01 OWS Wireless Bluetooth Earphones and charging case.
ZONGJI BY01 OWS Wireless Bluetooth Earphones, white model, open on ear design
Figure 2: Sports Headphones Open on Ear - White model.
Diagram showing core advantages of the earphones: Ultra-long battery life, Call 4H, Bluetooth 5.3, Comfortable to wear, intercom noise reduction, Quick Connect, ultra-long standby time, Music 5H, dustproof and waterproof.
Figure 3: Core advantages of the BY01 earphones.

2. Setup and First Use

2.1 Charging the Earphones and Charging Case

Before first use, ensure both the earphones and the charging case are fully charged.

  • Place the earphones into the charging case.
  • Connect the charging case to a power source using the provided Type-C charging cable.
  • The charging indicator lights (if present) on the case and earphones will show charging status.
  • Headset charging time: Approximately 0.8 hours.
  • Charging box charging time: Approximately 1.5 hours (some variants 1-2 hours).
  • A 1-hour charge can provide approximately 120 minutes of range.
Image showing the charging case with a Type-C port and the text 'IT'S A BIG WORLD TAKE IT AND GO' and 'Type-C'.
Figure 4: Charging case with Type-C port.
Image showing the charging case with 'ULTRA-LONG BATTERY LIFE OF 60 DAYS' and icons for charging, 60 days, and time.
Figure 5: Ultra-long battery life feature highlighting 60 days standby.

2.2 Pairing with a Bluetooth Device

Follow these steps to pair your earphones with your smartphone or other Bluetooth-enabled device:

  1. Ensure the earphones are charged and within range of your device (within 10-15 meters).
  2. Open the charging case. The earphones will automatically enter pairing mode (indicated by flashing lights, if available).
  3. On your device, go to Bluetooth settings and turn Bluetooth on.
  4. Search for available devices. You should see "BY01" or a similar name (e.g., "JM13") appear in the list.
  5. Select the earphone name to connect. Once connected, a voice prompt or indicator light will confirm successful pairing.
  6. The earphones feature Quick Connect for seamless re-pairing with previously connected devices.
Image showing the white earphone and charging case with text 'BLUETOOTH 5.3 MORE STABLE AND FASTER'.
Figure 6: Bluetooth 5.3 connectivity for stable and fast connections.

3. Operating Instructions

3.1 Basic Controls (Touch Control)

The BY01 earphones support touch control for various functions. Specific touch gestures may vary slightly, but common functions include:

  • Play/Pause: Single tap on either earbud.
  • Next Track: Double tap on the right earbud.
  • Previous Track: Double tap on the left earbud.
  • Answer/End Call: Single tap on either earbud.
  • Reject Call: Long press on either earbud.
  • Activate Voice Assistant (Siri/Alexa): Triple tap on either earbud.
  • Volume Control: The earphones support volume control, typically through specific touch gestures or via your connected device.
Image showing the black earphones with text 'Soft rubber ear hooks, fit the back of the ear, comfortable and not easy to fall off. Ergonomic earplugs, comfortable to wear for a long time'.
Figure 7: Ergonomic design for comfortable wear.

3.2 Making and Receiving Calls

With the integrated microphone and HD Call feature, you can manage calls hands-free:

  • Answering Calls: Tap either earbud once.
  • Ending Calls: Tap either earbud once during a call.
  • Rejecting Calls: Press and hold either earbud for approximately 2 seconds.
  • The earphones feature intercom noise reduction for clearer conversations.

3.3 Audio Playback

Enjoy HIFI sound quality for your music and other audio content:

  • Music Playback Time: Up to 5 hours on a single charge (some variants 4-5 hours).
  • Total Playback Time: Up to 36 hours with multiple charges from the charging case.
  • The 16mm composite diaphragm moving coil ensures powerful low frequency and soft vocals.
Image showing a cross-section of an earphone driver with text 'MOVING TONES ARE CLEAR TO THE EAR. With 16mm composite diaphragm moving coil, powerful low frequency, soft vocals'.
Figure 8: 16mm composite diaphragm for clear audio.

3.4 Speaker Mode (Charging Case)

The charging case of the BY01 earphones can also function as a portable HD audio speaker. To activate and use this feature:

  • Ensure the earphones are removed from the charging case.
  • The charging case should automatically enter speaker mode or can be activated via a specific button/gesture (refer to visual cues on the case).
  • The case will connect to your device via Bluetooth, allowing you to play audio through its integrated speaker.
  • This feature provides a versatile 2-in-1 audio experience.
Image showing the black charging case with a speaker grille, text 'GOOD VOICE Light and senseless BOTH AUDIO AND HEADPHONES'.
Figure 9: Charging case functioning as a portable speaker.
Diagram showing core selling points including 'Dual Headphones + Audio Control as you wish'.
Figure 10: Dual Headphones + Audio feature.

4. Maintenance and Care

To ensure the longevity and optimal performance of your ZONGJI BY01 earphones, follow these maintenance guidelines:

  • Cleaning: Gently wipe the earphones and charging case with a soft, dry, lint-free cloth. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters any openings.
  • Water and Dust Resistance: The earphones are IPX5 rated, meaning they are protected against low-pressure water jets from any direction and are dustproof. They can cope with outdoor exercise on rainy and cloudy days. However, they are not designed for submersion in water. Avoid exposing them to excessive moisture or harsh chemicals.
  • Storage: When not in use, store the earphones in their charging case to protect them from dust, scratches, and accidental damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.
  • Battery Care: To preserve battery health, avoid fully discharging the battery frequently. Charge them regularly, even if not used for extended periods.
Image showing a purple earphone and charging case submerged in water, with text 'IPX5 dustproof and waterproof'.
Figure 11: IPX5 life-grade waterproof and dustproof rating.
Image showing a black earphone and charging case with water droplets, text 'IPX5 RATED DUST AND WATER RESISTANT FOR LIFE'.
Figure 12: IPX5 rated for dust and water resistance.

5. Troubleshooting

If you encounter issues with your ZONGJI BY01 earphones, try the following troubleshooting steps:

5.1 Earphones Not Pairing

  • Check Battery: Ensure both earphones and the charging case have sufficient charge.
  • Restart Devices: Turn off and on your Bluetooth device (smartphone, tablet, etc.) and place the earphones back in the case, then take them out again.
  • Clear Pairing History: On your device, forget or unpair "BY01" from the Bluetooth settings, then attempt to pair again following the instructions in Section 2.2.
  • Distance: Ensure the earphones are within 10-15 meters of your device.

5.2 No Sound or Low Volume

  • Volume Level: Increase the volume on both your connected device and the earphones.
  • Re-pair: Disconnect and re-pair the earphones with your device.
  • Check Audio Output: Ensure your device's audio output is set to the earphones.
  • Clean Earphones: Check for any debris blocking the speaker grilles and gently clean them.

5.3 Charging Issues

  • Check Cable and Adapter: Ensure the Type-C charging cable and power adapter are working correctly. Try a different cable or adapter.
  • Clean Charging Ports: Check for any debris in the charging port of the case and the charging contacts on the earphones. Gently clean them.
  • Proper Placement: Ensure the earphones are correctly seated in the charging case.

6. Specifications

Below are the detailed specifications for the ZONGJI BY01 (JM13/JM13Pro) Wireless Bluetooth Earphones:

FeatureSpecification
Brand NameZONGJI
Model NumberBY01 (JM13/JM13Pro)
Bluetooth Version5.3 (some variants may feature 5.4)
CommunicationTrue wireless
Wireless TypeBluetooth
Maximum Wireless Range<10m (effective range 10-15m)
StyleOpen-ear
Earcups TypeSemi-open
Vocalism PrincipleDynamic
Driver Diameter8mm (16mm composite diaphragm moving coil for sound)
Number Of Drivers2
Impedance Rangeup to 32 Ω (16Ω specified)
Resistance16Ω
Frequency Response Range20 - 20000Hz
Sensitivity42dB
Max Output5mW
Total Harmonic Distortion5%
Headphone Battery Capacity40mAh (per earbud)
Charging Case Battery Capacity300mAh
Battery Life (Music)Approx. 5 hours (single charge), up to 36 hours (with charging case)
Battery Life (Call)Approx. 4 hours (some variants 5-6 hours)
Standby TimeUp to 60 days (some variants 30 hours)
Headset Charging Time0.8 hours
Charging Case Charging Time1.5 hours (some variants 1-2 hours)
Charging MethodCharging case, Type-C connector
Waterproof RatingIPX5
FeaturesWaterproof, With microphone, Amazon Alexa Support, Apple Siri Support, Detachable Cable (referring to lanyard), Voice assistant built-in, Sound Isolating, Touch Control, Dual Headphones + Audio (charging case as speaker)
MaterialMetal, Plastic, Silica Gel
Package ListUser Manual, Charging case, Carrying Bag, Charging Cable
CertificationCE, FCC, RoHS
Image showing product parameters: model number JM13, Headset charging time 0.8H, music time 5H, standby time 60DAY, air time 4H, Bluetooth version 5.3, Charging time of the charging box 1.5H, Model Distance 10-15m, Headphone Capacity 40mAh, Charging compartment capacity 300mAh. Also includes dimensions of the earphones (50mm and 52mm).
Figure 13: Product parameters for model JM13.
Image showing parametric details for JM13Pro: Product Model JM13Pro, Bluetooth version Bluetooth 5.4, Communication distance >=10 metres, Charging time 1-2H, Standby time 30H, Airtime 5-6 hours, Listening time 4-5 hours, Headset Capacity 40mAh.
Figure 14: Parametric details for model JM13Pro.

7. Warranty and Support

Your ZONGJI BY01 Wireless Bluetooth Earphones come with a standard manufacturer's warranty. Please refer to your purchase documentation or contact the seller for specific warranty terms and conditions.

  • Free Returns: Free returns are available within 90 days of purchase.
  • Fast Delivery Guarantee: If delivery is delayed, you may be eligible for a $1.00 coupon code. Refunds are also available if the package is lost or items are damaged during transit, or if there is no delivery within 60 days.
  • Security & Privacy: Your personal details are protected and not shared with third parties without consent.

For technical support, warranty claims, or any other inquiries, please contact the seller directly through the platform where you made your purchase.

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