* Bluetooth Specification v2.0+EDR class 2 
* RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band
* Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm
* Supports Bluetooth Headset and Hands-free profiles 
* 1 Button design: MFB,
* LED Indicator Status: Blue, Red
* Rechargeable 60mAh Li-Polymer Battery 
* Charger adapter Output: DC 5V&200mA
* Nominal charging time: Max 1.5 hours 
* Talk time: Up to 3 hours
* Standby time: Up to 50 hours 
* Dimensions (main body): 49.3(L) x15.8 (W) x 4(H) mm 
* Operating Temperature: -10⁰C - 50⁰C
* Storage Temperature: -20⁰C - 80⁰C