Specifications: Stylish, comfortable design crystal clear sound bluetooth, suitable for all mobile phone. Main Features: 1. Changeable faceplate style, total 4 pcs faceplates in different colors: Black/red/blue/silver 2. Stylish design and Best quality mould and finishing. 3. Very small and light, only 12g. 4. Two kinds of wearing way: (1). Adjustable ear hook: Can change the size and angel to suitable different ear size; make it More comfortable for wearing. L/R ear wearable. (2). Harmless Rubber ear cap: Easy to wear without hook, very comfortable and no loose, especially Suitable for the person wearing glasses. 5. Crystal clear and high quality voice for both talking party, noise cancellation. No echo. Because we use CSR chips from U. S. A. And all TDK parts from Japan as well as our goods and Reasonable design for both PCB board and Plastic Mould. 6. Three kinds of charger available, for home, office, car and computer. 7. Automatic connecting function: If the link disconnects, For instance, you turn off the headset, Then when you turn on it, the headset will automatically establish the link with your mobile. 8. Saving power function: If at lost pairing situation more than 20 minutes, the headset will Turn off automatically to save power. 9. Voice-dialing, re-dialing, refusal of incoming call functions. 10. Talking time:8 hours; Standby time:10 days 11. CE and FCC approval available.