2016 most popular selling s9 bluetooth 3.1 wireless bluetooth sport neckband headphones without wires for iphone

Feature :

1,Bluetooth Version:  V3.0+EDRSupportV2.1,V1.1
2,Support System:  Windows 98 / 2000 / XP / Vista
3, power:Class2
4,Frequency:2.4GHz
5, Distance:10 meter
6,Talk time:4-6hours
7,Standby time:120-150hours
8,Unilateral battery

9:Support Format: MP3 WMA WAV

10. Built-in lithium battery (charged via USB)

Quality and warranty:

1.we guarantee 1 year warranty

2.Any damage except human damage during the warranty, just send back to us,then we will repaired for you.

Packing detail :

Blister packing. 35g/piece .100pcs/carton .N/GW:3.5kg/4kg . 67*48*21cm