Wireless Music Stereo CSR Bluetooth 4.0 Headset Universal Vibration Lightweight Neckband Style Headphone Earphone For IPhone6 6S 5S 5C 5 4S Samsung S6 S6 Edge S5 S4 Note 4 3 2 IPad IPod LG HTC Android Tablet And Enabled Bluetooth Devices - Black

Features:
Microphone, Playback Controls, Calling Functions, Volume Control
Bluetooth Version:
4.0
Talk time: UP to 15
hours
Music time: UP to 8 hours
Standby time: UP to 360 hours
Charging time: Less than 2 hours
Operating voltage: 1.8V/3.3V
Charging voltage: Micro USB 5V
Working current: 25-30mA
Bluetooth A2DP Working range: 10m
Frequency range: 2.401-2.480GHz
Distortion factor: ¡Ü1%
Frequency response: 20Hz-20KHz
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a