XIAOMI Xiaomi Sound Pocket

Xiaomi Sound Pocket Portable Bluetooth Speaker User Manual

Model: Xiaomi Sound Pocket (MDZ-37-DB)

1. Introduction

Thank you for choosing the Xiaomi Sound Pocket Portable Bluetooth Speaker. This compact and durable speaker is designed to deliver high-quality audio on the go, featuring IP67 water and dust resistance, TWS stereo pairing, and a long-lasting battery. Please read this manual carefully before use and retain it for future reference.

Xiaomi Sound Pocket speaker, front view
Front view of the Xiaomi Sound Pocket speaker.

2. Key Features

  • Ready-to-Go Assembly: No assembly required, ready for immediate use.
  • TWS Stereo Combo: Connect two speakers for a superior immersive stereo sound experience.
  • Bluetooth 5.4 Technology: Ensures fast, stable, and seamless wireless connectivity.
  • IP67 Water and Dust Resistance: Designed to withstand splashes, rain, and dust, making it ideal for outdoor adventures.
  • Built-in Microphone: Supports hands-free calling for convenient communication.
  • 10-Hour Ultra-Long Battery Life: Enjoy extended playback with the integrated 1000mAh lithium-ion battery (at 40% volume).
  • 5W Rated Output Power: Delivers clear and dynamic sound.
  • Compact and Portable Design: Lightweight (approx. 200g) and features a durable silicone lanyard for easy transport.
Image detailing 10-hour battery life and Bluetooth 5.4
Highlights: 10-hour battery life at 40% volume and upgraded Bluetooth 5.4 technology.
Image highlighting IP67 rating, color options, smooth texture, and rubber anti-loss lanyard
Features: IP67 dust and water resistance, bold color combo, smooth texture, and rubber anti-loss lanyard.
Image showing the ingenious sound cavity and dynamic sound effects
Ingenious sound cavity design for exceptional sound quality.

3. Package Contents

Ensure all items are present upon unboxing:

  • Xiaomi Sound Pocket Speaker × 1
  • Charging Cable × 1
  • User Manual × 1

4. Setup

4.1 Charging the Speaker

Before first use, fully charge the speaker. Connect the provided charging cable to the speaker's charging port and a 5V 1A power adapter (not included). A full charge takes approximately 3 hours.

4.2 Bluetooth Pairing

  1. Ensure the speaker is powered off.
  2. Press and hold the Power button until the indicator light flashes, indicating pairing mode.
  3. On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
  4. Select "Xiaomi Sound Pocket" from the list. Once connected, the indicator light will turn solid.

The speaker uses Bluetooth 5.4 for a stable connection up to 25 meters in open environments.

4.3 TWS (True Wireless Stereo) Pairing

To achieve a stereo sound experience, you can pair two Xiaomi Sound Pocket speakers together:

  1. Ensure both speakers are powered off and not connected to any other Bluetooth device.
  2. Power on both speakers.
  3. On one speaker (this will be the primary speaker), long press the Bluetooth button. The speaker will enter TWS pairing mode.
  4. The two speakers will automatically connect to each other. Once connected, the primary speaker's indicator light will flash, and the secondary speaker's light will be solid.
  5. Now, connect your device to the primary speaker via Bluetooth as described in section 4.2.
Image illustrating portable pocket design, TWS stereo combo, IP67, and hands-free calling
TWS stereo combo for superior immersive sound quality.

5. Operating Instructions

5.1 Power On/Off

  • Power On: Press and hold the Power button until you hear an audible prompt and the indicator light turns on.
  • Power Off: Press and hold the Power button until you hear an audible prompt and the indicator light turns off.

5.2 Music Playback

  • Play/Pause: Short press the Play/Pause button.
  • Volume Up: Short press the '+' button.
  • Volume Down: Short press the '-' button.
  • Next Track: Long press the '+' button.
  • Previous Track: Long press the '-' button.

5.3 Hands-free Calling

With the built-in microphone, you can answer calls directly through the speaker when connected to your smartphone:

  • Answer/End Call: Short press the Play/Pause button.
  • Reject Call: Long press the Play/Pause button.

5.4 Water and Dust Resistance (IP67)

The Xiaomi Sound Pocket is IP67 rated, meaning it is protected against dust ingress and can withstand immersion in water up to 1 meter for up to 30 minutes. This makes it suitable for use by the pool, at the beach, or in rainy conditions. However, it is not designed for prolonged underwater use or exposure to saltwater.

Xiaomi Sound Pocket speaker on a rocky surface outdoors
The IP67 rating makes the speaker suitable for outdoor use.
Xiaomi Sound Pocket speaker hanging from a wire over water
The speaker's durable design and lanyard allow for easy portability and use in various environments.

6. Maintenance and Care

  • Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
  • If the speaker gets wet, wipe it dry thoroughly before charging or storing.
  • Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
  • Avoid dropping or subjecting the speaker to strong impacts.

7. Troubleshooting

Q: The speaker does not turn on.
A: Ensure the speaker is fully charged. Connect it to a power source and try again after a few minutes.
Q: Cannot pair the speaker with my device.
A: Make sure the speaker is in pairing mode (indicator light flashing). Check that Bluetooth is enabled on your device and it's within the 25m transmission range. Try restarting both the speaker and your device.
Q: Sound quality is poor or intermittent.
A: Ensure your device is within range and there are no obstructions between the speaker and your device. Check the battery level of the speaker. If using TWS, ensure both speakers are properly paired.
Q: Does the speaker support AAC audio codec?
A: The speaker primarily supports the SBC audio codec, at least for Android devices.
Q: Does it have an auxiliary audio input?
A: No, the Xiaomi Sound Pocket speaker only supports audio via Bluetooth connection.
Q: Is the speaker waterproof?
A: Yes, it has an IP67 rating, meaning it is dust-tight and protected against immersion in water up to 1 meter for 30 minutes.

8. Specifications

FeatureSpecification
Model NumberMDZ-37-DB
Brand NameXIAOMI
Colour OptionsBlack / Blue Gray / Pink
Product Dimensions90.8mm × 74.4mm × 42.6mm
Net WeightApprox. 200g
Rated Output Power5W
Frequency Range100Hz to 20KHz
Signal-to-noise Ratio≥ 70dB
Battery TypeLithium-ion
Battery Capacity3.7V, 1000mAh
Battery Charging5V 1A, 3 hours
Bluetooth Version5.4
Transmission Distance25m
Playback TimeApprox. 10 hours (at 40% Volume)
Waterproof RatingIP67
Stereo Pair (TWS)Yes
MicrophoneYes
CompatibilityAndroid (and other Bluetooth-enabled devices)
Power SourceDC
CertificationCE, FCC, RoHS

9. User Tips

  • For optimal sound quality, ensure your audio source is using a compatible codec. Note that on Android, it primarily supports SBC.
  • If you plan to use the speaker for extended periods, especially at higher volumes, be aware that battery life may be less than the stated 10 hours (which is based on 40% volume).
  • While the speaker is IP67 rated, avoid submerging it in water for prolonged periods or exposing it to harsh chemicals like saltwater.
  • There is no auxiliary audio input; all audio streaming is done wirelessly via Bluetooth.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the warranty card included with your purchase or contact your local Xiaomi customer service. Keep your proof of purchase for any warranty claims.

11. Product Overview Video

Watch this video for a quick overview of the Xiaomi Sound Pocket speaker's features and design.

Video showcasing the Xiaomi Sound Pocket speaker's features and portability.

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