1. Standard: Bluetooth Version 2.0
2. Bluetooth Chip/Class: CSR chip Bluecore / Class II
3. Operation Range: 10 meters(33 feet)
4. Audio Code: 15 bits resolution, S/N>60DB
5. Frequency: 2.4GHZ-2. 4835 GHZ ISM Band
6. Talk time: 5.0 hours
7. Standby time: 100 hours
8. Output Power: 0 dBm(classII)
9. Security: 128 bits encryption
10. Battery: Rechargeable Li-in polymer 70mAh
11. Charging: 5V DC, 100~240V AC adapter
12. Dimensions: 56x17x14mm
13. Weight: 8.5g(Including battery)