Specifications:

• With Microphone: No
• Wireless Type: bluetooth
• Waterproof: Yes
• Volume Control: Yes
• Vocalism Principle: Other
• Total Harmonic Distortion: 0%
• Support Memory Card: No
• Support APP: No
• Style: In-ear
• Sensitivity: 115dB
• Resistance: 16Ω
• Plug Type: NONE
• Origin: CN(Origin)
• Number Of Drivers: 2
• Model Number: QT81
• Max Output: 0mW
• Magnet Type: Other
• Line Length: 0m
• Is wireless: No
• Impedance Range: up to 32 Ω
• Headphone Pads Material: Other
• Function: Common Headphone
• Frequency Response Range: 20 - 20000Hz
• Earcups Type: Semi-open
• Driver Diameter: 13mm
• Control Button: No
• Communication: True Wireless
• Charging Method: Charging case
• Certification: CE
• Brand Name: Lenovo
• Bluetooth Version: 5.1
• Active Noise-Cancellation: No