The stereo headset supports connecting two devices simultaneously. With A Key Pick Up/Hang Up function， convenient to use.

Features: 
You must connect your phone with Bluetooth.
The product with microphone， convenient to use.
Support connecting two devices simultaneously.
A Key Pick Up/Hang Up， convenient to use.
Last number redial: just for parts of phones.
Battery Status: You can know the battery status in the phone.
Made of high quality material， durable.
It has high quality sound， enjoy your life.

Specifications:
Model: BT-531 
Material: ABS
Color: Black
Bluetooth: 4.0
Frequency: 20Hz-20KHz
Rnage of wireless connection: 10m
Battery: 100mAh
Item weight: Approx. 17g / 0.59oz
Package size: Approx. 20 * 10 * 2.8cm / 7.9 * 3.9 * 1.1in
Package weight: Approx. 73g / 2.57oz

Package including: 
1 * Bluetooth headset
1 * USB cable
1 * User manual (English)