Main Features:
● Built-in sensitive microphone for talking
● Comes with charging and storage case
● Adopt Bluetooth V4.2, stable transmission, compatible with most Bluetooth devices
● One button switch to music or phone calls
● 100 hours standby time and 2 - 4 hours talking or music time after one charge
● Sweat-proof material of shell to ensure high quality sound when sports use

Specifications:
Material: ABS
Type: in-ear
Wearing type: in-ear
Charging time.: 1 - 2h
Compatible with: computer, iPhone, mobile phone
Frequency response: 20Hz - 20KHz
Impedance: 32ohms
Sensitivity: 90dB
Sound channel: two-channel (stereo)
Standby time: 100h
Talk time: 2h
Working time: 1.5h
Bluetooth distance: W / O obstacles 10m
Bluetooth mode: headset
Bluetooth protocol: HSP
Bluetooth version: V4.2
Battery capacity: 45mAh
Battery type: built-in Lithium-ion battery