AWEI Bluetooth stereo headphones WT30BL black

AWEI Bluetooth stereo headphones WT30BL black. Awei WT30 Magnetic Sport Bluetooth Headphone Earphones
Magnetic sports bluetooth headset prevents it from falling and is easy to store
V4.2 Bluetooth version, 10 meters wireless transmission
110mAh battery capacity, large capacity and long life
Wear the in-ear clothes with triangular ear supports without falling

Function: answering machine, bluetooth, microphone, multi-connection function, noise canceling, song switching, voice announcement, volume control
Material: ABS, metal
Type: in-ear
Application: Audiophile, DJ, gaming, running, sports, working
Cable length (m): 1 m
Compatible with: Computer, iPhone, Mobile Phone, Portable Media Player
Connection interface: micro USB
Connectivity: Wireless
Driver unit: 6mm
Frequency response: 20-20000Hz
Impedance: 32 ohms ± 15 percent
Sensitivity: 90 dB ± 3 dB
Charging time: 1.5h
Standby time: 300h
Working time: 6-7 h
Bluetooth: yes
Bluetooth mode: hands-free
Bluetooth protocol: A2DP, AVRCP, HFP, HSP
Bluetooth version: V4.2
Battery capacity (mAh): 110 mAh