- Brand Name: Lenovo
- Style: Headphone
- Certification: none
- Vocalism Principle: Dynamic
- Origin: CN(Origin)
- Control Button: No
- Active Noise-Cancellation: No
- Communication: True Wireless
- Volume Control: No
- Sensitivity: 108dB
- Wireless Type: bluetooth
- Is wireless: Yes
- Max Output: 3mW
- 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 - 20000Hz
- Total Harmonic Distortion: 2%
- With Microphone: Yes
- Features: waterproof
- Features: With Microphone
- Charging Method: Charging case
- Magnet Type: Other
