Specifications:
Material: Plastic, Weight[g]: 50 Battery Capacity[mAh]: 350-550
Battery life up to[hours]: 6-8, Voice assistant built-in: no
Maximum wireless range[m]:10m-20m, NFC Technology: no
Sound Isolating: YES, Category: Earphones & Headphones
Earcups Type: Sealed, Max Output: 80mW, Number Of Drivers: 2
Charging Method: Charging case, Headphone Pads Material: silicone
Magnet Type: Ferrite, Driver Diameter: 13mm
Total Harmonic Distortion: 1%, Impedance Range: up to 32 ?
Bluetooth Version: 5.0
Package List: User Manual,Charging case,Charging Cable

Features:

With Microphone: Yes
Is wireless: Yes, Support APP: Yes
Support Memory Card: No, Waterproof: Yes
Resistance: 32?, Line Length: 0m
Frequency Response Range: 20 – 20000Hz, Sensitivity: 125dB
Plug Type: none, Function: for Video Game,Common Headphone,For Mobile Phone,HiFi Headphone,Sport,For Outdoor,For Swimming,For Office,For Study
Volume Control: Yes, Control Button: No
Vocalism Principle: Dy namic, Wireless Type: bluetooth, Connectors: USB
Communication: WireLess, Style: In-ear
Brand Name: ThinkPlus lenovo bluetooth Earphone