HBS850 Sport Bluetooth Headphone Neckband Handsfree Headset for iPhone for Samsung for Bluetooth Device with Reatail Box DHL Free EAR183

Features:

1.Bluetooth V4.0

2. Frequency: 2.4GHz-2.48GHz
3.Operating Distance: 10m
4.Standby time:about 100 hours
5. Talk Time: over 4 hours
6.Voltage:3.6 v
7.Battery:Built-in rechargeable li-on polymer battery
8.Charging Plug:A/C charger
9.Charging time:1-2h
10.Working Temperature:0 + 60degree `

Color : black white gold blue red， Please remark the colors you want or we will send in random， thanks.