Feature

　　* Stereo Bluetooth headset with back-hang style.

　　* Supports Bluetooth A2DP, AVRCP, and HS/HF profiles.

　　* Features Software & CVC echo/noise cancellation for reducing noise.

　　* Foldable design provides maximum portability.

　　* Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc

　　* Switch automatically from remote controls on the headset allow you to play, skip

　　and select your music tracks.

　　* Up to 20 hours of music playback time.

　　Specification

　　*Bluetooth Specification v2.1+EDR class 2

　　* The latest version of A2DP1.2 and AVRCP1.0 profiles support.

　　* Supports Bluetooth Headset and Hands-free Profile(HFP 1.5)

　　* RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band

　　* Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm

　　* Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 Db, Total Harmonic

　　Distortion (THD):0.1%,

　　* 5 Button design: MFB, VOL+, VOL-, FWD, REV,

　　* LED Indicator Status: Blue, Red

　　* Rechargeable 400mAh Li-Polymer Battery

　　* Mini 5 Pin USB Plug charging Port

　　* Charger adapter Output: DC 5V&200mA

　　* Nominal charging time: Max 4 hours

　　* Talk time: Up to 20 hours

　　* Standby time: Up to 400 hours

　　* Dimensions (main body): 54(diameter) x 23(H)mm

　　* Weight: 71.2 grams

　　* Operating Temperature: -10 oC - 50oC

　　* Storage Temperature: -20 oC - 80oC

　　What's in Box

　　* Bluetooth Stereo Headset

　　* User Manual

　　* USB cable charger?