1. Bluetooth version: V2.1+EDR
2. Bluetooth mode: Bluetooth Headset & Hands-free Profiles, AVRCP Profiles
3. Operating distance: Up to 10m
4. Standby time: Up to 52 hours
5. Talk time: 2 to 3 hours
6. Dimensions: 51*18*8 mm
7. Weight: 8.6g

Why you need it?
1. Best friend to smart phone and portable computer
2. Both black and white models
3. Perfect performance in connecting with IOS system
4. Up to 11-12m operating distance without any barrier when connect to iPhone4