ZOOOK | ThunderHead Premium On-Ear Wireless Stereo Headset with LED

Bluetooth version : : V5.0
Supported Profiles : : HSP,HFP, A2DP, AVRCP
Speaker driver size : : 40mm
Impedance: : 32Ω ±15%
Frequency response : : 20Hz-20KHz
Microphone Sensitivity: : -42dB ± 3dB
Microphone Impedance: : 2.2kΩ
Input charging power : : DC5V
Wireless working distance:: ≦10M
Battery : : 400mAh
Charging time : : ≦2Hours*
Playback time- : 10Hours*
Microphone : : Built-in
Input: : Bluetooth,Aux-In, TF card, Mic