Specifications:
1) Version: Bluetooth V1.2 version
2) Frequency: 2.402GHz - 2.480GHz
3) Talking time: up to 6 hours
4) Standby time: up to 150 hours
5) Operating distance: 10m (class 2)
6) Charging time: within 3 hours
7) DSP: full duplex transmission, noise suppression and echo cancellation
8) Signal-to-noise: >60dB with 15-bit sound effect decode
9) Bluetooth profile support: excellent compatibility with Bluetooth enabled
devices, including mobile phones, PC, PDA and printers