1. Compatible Bluetooth Specification V1.2+EDR
2. Operating Frequency Band: 2.4GHz ~ 2.48GHz unlicensed ISM band
3. Class 2 Output Power up to 10 meters
4. Support Headset and HandsFree profiles
5. Support Multiple paired. (Up to 8 Bluetooth Phone can be paired)
6. Integrated with echo cancellation and Noise suppressor
7. Built in speaker and microphone
8. Battery type: Rechargeable Lithium DC 3.7V, 760maH (BL-5B)
9. Talk time: Up to 10hours
10. Standby time: Up to 480hours
11. Charger time: 2~3hours
12. Size: 115.5mm(L) x 45mm(W) x 15mm(H)