• Brand Name: Lenovo
  • Style: In-ear
  • Certification: CE
  • Vocalism Principle: Dynamic
  • Origin: CN(Origin)
  • Control Button: No
  • Active Noise-Cancellation: No
  • Communication: True Wireless
  • Volume Control: Yes
  • Sensitivity: 125dB
  • Wireless Type: bluetooth
  • Is wireless: Yes
  • Max Output: 1mW
  • Line Length: 0m
  • Support APP: No
  • Function: for Video Game
  • Function: Common Headphone
  • Function: For Mobile Phone
  • Function: Sport
  • Number Of Drivers: 2
  • Plug Type: None
  • Package List: User Manual
  • Package List: Charging case
  • Package List: Charging Cable
  • Impedance Range: up to 32 Ω
  • Connectors: USB
  • Model Number: QT81
  • Earcups Type: Sealed
  • Headphone Pads Material: Silicone
  • Bluetooth Version: 5.1
  • Codecs: sbc
  • Support Memory Card: No
  • Driver Diameter: 10mm
  • Resistance: 16Ω
  • Waterproof: Yes
  • Frequency Response Range: 20 – 2000Hz
  • Total Harmonic Distortion: 1%
  • With Microphone: Yes
  • Features: waterproof
  • Features: With Microphone
  • Charging Method: Charging case
  • Magnet Type: Other
  • Sensitivity: 108dB
  • Max Output: 3mW
  • Line Length: 0m
  • Number Of Drivers: 2
  • Model Number: QT81
  • Driver Diameter: 10mm
  • Resistance: 16
  • Frequency Response Range: 20 – 20000Hz
  • Total Harmonic Distortion: 2%


BT 5.1 technology ensures stable and fast connection, higher data transmission speed, low power consumption and low latency. 

Adopt 13mm large moving coil unit, the diaphragm is made of graphene and produces a very clear, loud and balanced sound.

Equipped with dual diaphragms, binaural HD call, provide clear sound even in noisy environments.

After the first pairing, just take the earbuds out of the charging case, the earbuds will automatically connect with your mobile phone.

The 40mAh battery in each earbud can provide about 5 hours of music playing time. The earplugs can be automatically charged in the 1200mAh charging box.

Built-in dual microphones provide clearer and more realistic call sound in stereo mode. The BT5.1 chip allows you to master the details of the voice greatly.

After taking it out of the charging box, it can be automatically turned on and quickly paired between the left and right earbuds. Pair with BT-enabled audio devices easily and quickly.

The LED battery digital display can clearly display the battery level of the earplugs and charging box. The charging box can be used as a mobile power source to charge mobile devices in an emergency.

Popular touch control function, the hearing aid with Microphone offer HD Binaural call,switch songs and call Siri

Product specifications:
✅ Model: Lenovo QT81
✅ BT version: 5.1

✅ Transmission distance: 10M 
✅ Waterproof rating: IPX5
✅ Dust protection level: IP6X
✅ Charging Case Battery Capacity: 3.7V 1200mAh
✅ Earbuds Battery Capacity (Each): 3.7V 40mAh
✅ Working time: 4-5 hours
✅ Standby time: 240 hours
✅ Charging time: 1 hours
✅ Speaker diameter: 13mm
✅ Speaker sensitivity: 92±3dB
✅ Microphone Sensitivity -42dB+/-3dB
✅ Frequency response range: 20-20kHz

Default accessories:
2*Bluetooth Earphones
1*USB Charging Cable
1*Charging Case
1*User Manual
3*ear cap(S,M,L)

【Satisfaction Guaranteed】We Are 100% Committed To Providing You With A First-Class Customer Experience. 
【Guaranteed Solution】If There Is Anything That Does Not Match Your Order Or Is Unsatisfactory, Please Contact Us And We Will Immediately Provide You With The Help You Need!

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