Especificaciones:1. Bluetooth Version: V3.0+EDR. Compatible with V2.1, V2.1, V1.12. Frequency range: 2.4GHz3. Transmission power: Class 24. Transmission range: 10 M5. File Format: Headset and hands free format6. Channel: Mono7. Talk time: 3~4 hrs8. Standby time: 120 hrs9. Color: Black, White, White with black borderPackage Included:1 x Bluetooth Headset1 x USB Cable1 x Earloop