1. Introduction
Thank you for choosing the Lenovo True Wireless Stereo In-Ear Earphone QT82. This manual provides detailed instructions on how to set up, operate, maintain, and troubleshoot your new earphones. Please read this manual carefully before use to ensure optimal performance and longevity of your device.
The QT82 earphones are designed for a superior audio experience, featuring HiFi sound quality and a comfortable in-ear fit. They are equipped with Bluetooth 5.0 for stable and fast connections, and an IPX5 waterproof rating for resistance against sweat and splashes, making them suitable for various activities including sport.
Figure 1.1: Lenovo QT82 True Wireless Earphones in their charging case, showcasing the sleek black design and compact form factor.
2. Setup
2.1 Initial Charging
Before first use, ensure the charging case and earphones are fully charged. Connect the provided charging cable to the charging case and a USB power source. The indicator lights on the case will show charging status.
2.2 Bluetooth Pairing
- Open the charging case. The earphones will automatically power on and enter pairing mode.
- On your device (phone, tablet, laptop), enable Bluetooth.
- Search for available Bluetooth devices and select "Lenovo QT82" from the list.
- Once connected, a voice prompt will confirm successful pairing.
The earphones are compatible with almost all phones, tablets, and laptops with Bluetooth functionality, including Android Mobile Phones, Tablets, iPads, and iPhones.
Figure 2.1: Illustration highlighting the Bluetooth 5.0 chip, which provides faster transmission, stronger signal, and a more stable connection for an upgraded wireless experience.
3. Operating Instructions
3.1 Touch Controls
The QT82 earphones feature intuitive touch controls for various functions:
- Volume Control: Tap the earbud to adjust volume (specific taps for up/down may vary, refer to quick start guide).
- Call Management: Tap to receive/decline/hang up phone calls.
- Music Playback: Tap to play/pause music, or skip to the previous/next song.
3.2 Wearing the Earphones
Gently insert the earphones into your ear canal, ensuring a snug and comfortable fit for optimal sound quality and stability, especially during physical activity.
Figure 3.1: A person wearing the Lenovo QT82 earphones, demonstrating how they fit closely and securely in the ear for comfortable and stable use.
4. Maintenance and Care
4.1 Cleaning
Regularly clean the earphones and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials. For ear tips, remove them and clean with a damp cloth if necessary, ensuring they are completely dry before reattaching.
4.2 Water Resistance
The earphones feature an IPX5 grade waterproof design, enabling them to resist sweat generated during sport and other water splashes. Do not submerge the earphones in water or expose them to strong jets of water.
Figure 4.1: An image depicting a man running while wearing the Lenovo QT82 earphones, emphasizing their IPX5 waterproof, dustproof, and sweatproof capabilities, ideal for active use.
4.3 Storage
When not in use, store the earphones in their charging case to protect them from dust and damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earphones not pairing | Earphones not in pairing mode; Bluetooth off on device; out of range. | Ensure case is open and earphones are powered on. Turn device Bluetooth off and on. Move device closer to earphones. |
| No sound from one earbud | Low battery; earbud not properly connected; earbud dirty. | Charge both earbuds. Place earbud back in case and remove. Clean earbud contacts. |
| Charging case not charging | Faulty cable/adapter; dirty charging port. | Try a different charging cable and adapter. Clean the charging port on the case. |
| Poor sound quality | Earbuds not seated correctly; interference; low battery. | Adjust earbud position. Move away from sources of interference. Charge earphones. |
6. Specifications
Figure 6.1: An exploded diagram of the earbud, illustrating its internal components including the 13mm moving coil horn and semi-in-ear design, which contribute to HIFI Stereo and 9D Sound quality.
| Model Name | QT82-BLK |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technologies | Bluetooth |
| Water Resistance Level | IPX5 (Waterproof) |
| Control Type | Touch, Volume Control |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Material | Plastic |
| Item Weight | 400 Grams |
| Product Dimensions | 15 x 10 x 2 cm |
| Batteries | 1 Lithium Ion battery (included) |
| Compatible Devices | Android Mobile Phones, Tablets, iPads, iPhones |
| Recommended Uses | Calling, Sport |
| Headphone Jack | 3.5 mm Jack (for charging cable, not for audio) |
| Sensitivity | 98 dB |
| Impedance | 140 Ohm |
| Noise Control | Sound Isolation |
7. Warranty and Support
For information regarding warranty coverage and terms, please refer to the warranty card included with your product packaging or visit the official Lenovo support website. Specific warranty details may vary by region and retailer.
For technical support, frequently asked questions, or to download the latest drivers and firmware updates, please visit the official Lenovo support portal or contact their customer service. You can also visit the Lenovo Store on Amazon for additional product information.
