Bluetooth Hands writing Pen,Bluetooth Pen, Bluetooth Pen Headset, Bluetooth Pen Earphone

eatures:
1). Faster connecting, clear sound, anti-interference
2). Support bluetooth headset,handfree profile
3) .Redial the last call ,Reject call.
4). Volume adjustable.
5). LED indicates connection.
Specification:
1) Bluetooth protocol: version 2.0
2) Frequency: 2.4 GHz
3) Bluetooth range: 10meters.
4) Net weight: 11g
5) Power supply:DC5V/80Ma
6) Working volt: 3.7V
7) Battery:  45mA (Li- Polymer)
8) Talking time:up to  3 hours
9) Standby time: up to 50 hours
10) Charging time: about 2 hours.
11) Headset size: 112×14×11 mm
Accessory:
1).Earphone.
2).USB Charging line.
3).User guide.