1. Introduction
Thank you for choosing the Lenovo LP75 Sports Wireless Earphones. These true wireless stereo (TWS) earphones are designed for sports enthusiasts, offering a secure ear-hook fit, high-fidelity stereo sound, smart noise reduction, and Bluetooth 5.3 connectivity for a stable and immersive audio experience. This manual provides detailed instructions on how to set up, operate, and maintain your earphones.
2. Package Contents
Please check the box for the following items:
- 2 x Lenovo LP75 Bluetooth Earphones (Left and Right)
- 1 x Charging Case
- 1 x USB Type-C Charging Cable
- 1 x User Manual
3. Product Overview
The Lenovo LP75 earphones feature an ergonomic ear-hook design for a stable fit during physical activity, a large dynamic sound unit for rich audio, and a digital LED power display on the charging case.
Figure 3.1: Lenovo LP75 Black Earphones in Charging Case with Phone, highlighting HD voice call and smart noise reduction.
Figure 3.2: Lenovo LP75 White Earphones, illustrating binaural switching and digital power display for earbuds and charging box.
Figure 3.3: Close-up of Lenovo LP75 earphone on an ear, showing ergonomic design and silicone non-slip ear hooks.
4. Specifications
Figure 4.1: Lenovo Thinkplus LP75 Parameter Table.
| Feature | Specification |
|---|---|
| Model | LP75 |
| Material | ABS, Plastic |
| Weight | 140g |
| Battery Capacity (Earbuds) | 40mAh * 2 |
| Battery Capacity (Charging Case) | 300mAh |
| Music Playback Time | Up to 6 hours (at 70% volume) |
| Headphones Charging Time | 1 hour |
| Charging Case Charging Time | 1.5 hours |
| Bluetooth Version | 5.3 |
| Maximum Wireless Range | <10m |
| Transmission Distance | >10m |
| Sound Isolating | Yes |
| Number Of Drivers | 2 |
| Driver Diameter | 13mm |
| Total Harmonic Distortion | 1% |
| Features | Waterproof (sweatproof), Built-in Microphone, Apple Siri Support, Active Noise-Cancellation (Smart Noise Reduction), Volume Control, Control Button |
| Audio Codecs | AAC, SBC |
| Frequency Response Range | 20 - 20000 Hz |
| Vocalism Principle | Dynamic |
| Wireless Type | Bluetooth (True Wireless) |
| Charging Interface | Type-C |
| Compatibility | Windows, iOS, Android |
| Certification | CE, FCC |
| Resistance | 32 Ohm |
| Support APP | No |
| Support Memory Card | No |
5. Setup
5.1. Charging the Earphones and Case
Before first use, ensure both the earphones and the charging case are fully charged.
- Place the earphones into the charging case.
- Connect the provided USB Type-C charging cable to the charging port on the case and a power source (e.g., USB wall adapter, computer USB port).
- The LED power display on the charging case will indicate the charging status. A full charge for the earphones takes approximately 1 hour, and the charging case takes about 1.5 hours.
Figure 5.1: Lenovo LP75 White earphones in charging case, detailing battery and music time.
5.2. Pairing with a Bluetooth Device
The earphones support binaural switching, allowing them to be used together or individually.
- Initial Pairing:
- Ensure the earphones are charged.
- Open the charging case. The earphones will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Lenovo LP75" from the list of devices.
- Once connected, you will hear a confirmation tone, and the earphones will be ready for use.
- Re-pairing (if earphones are not connecting synchronously):
- On your phone, delete the "Lenovo LP75" Bluetooth connection from your device's Bluetooth settings and then turn off your phone's Bluetooth function.
- Place both the left and right earphones back into the charging compartment.
- Wait for approximately 10 seconds.
- Take out both left and right earphones from the charging compartment. They will automatically attempt to match each other.
- Wait for another 10 seconds.
- Turn on your phone's Bluetooth function, search for "Lenovo LP75", and connect.
6. Operation
6.1. Basic Controls
The LP75 earphones feature intuitive button controls for various functions:
- Power On: Open the charging case, earphones power on automatically.
- Power Off: Place earphones back into the charging case and close the lid, or they will power off automatically after a period of inactivity when disconnected.
- Play/Pause: Single press the button on either earphone.
- Next Track: Double press the button on the right earphone.
- Previous Track: Double press the button on the left earphone.
- Volume Up: Triple press the button on the right earphone.
- Volume Down: Triple press the button on the left earphone.
- Activate Voice Assistant (Siri): Long press the button on the left earphone for 2 seconds.
6.2. Call Management
The built-in microphone allows for clear hands-free calls.
- Answer/End Call: Single press the button on either earphone.
- Reject Call: Long press the button on either earphone for 2 seconds.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the earphones and charging case. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the earphones in their charging case to protect them and keep them charged. Store in a cool, dry place away from extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the earphones and charging case frequently. Charge them regularly, even if not in constant use.
- Water Resistance: The earphones are sweatproof and designed to withstand splashes. They are NOT suitable for swimming or submersion in water. Avoid exposing them to heavy rain or excessive moisture.
Figure 7.1: Lenovo LP75 Black earphones with water droplets, emphasizing anti-sweat and waterproof features.
8. Troubleshooting
- Q: Why can't two earphones be connected synchronously?
- A: This usually means the earphones are not paired together. Follow the 'Re-pairing' steps in Section 5.2 to resolve this.
- Q: Can I swim with these earphones?
- A: No. While they are sweatproof and waterproof against splashes, they are not designed for swimming or submersion in water.
- Q: Is there significant sound leakage?
- A: As long as the volume is not set to maximum, there should be no significant sound leakage. For ear health, it's recommended to avoid using maximum volume for extended periods.
9. User Tips
- For optimal sound quality and to prevent sound leakage, ensure the earphones are properly seated in your ears with the ear hooks providing a secure fit.
- Regularly check the battery level on the charging case's LED display to avoid unexpected power loss during use.
- If experiencing connection issues, try turning off and on your device's Bluetooth, or re-pair the earphones as described in Section 5.2.
- The LP75 earphones offer low latency, making them suitable for gaming and video playback without noticeable audio delay.
10. Warranty and Support
For detailed warranty information and customer support, please refer to the official Lenovo support channels or the seller's policy. An electronic version of this user manual may also be available for download:
Reference: User manual (PDF)
Please note that product packaging and branding (Lenovo vs. Thinkplus) may vary due to product upgrades. The functionality and quality remain consistent.
Figure 10.1: Special instructions regarding packaging and logo changes from Lenovo to Thinkplus.
