car hands free bluetooth speakerphone

Features of hands free bluetooth car kit: 1. Bluetooth version: V2.0 + EDR 2 .. working frequency range: ISM band (2.4 2.48GHZ) 3. Wireless connectivity range of up to 10 meters 4. Support the Hands-Free, Headset, AVRCP and other standardized Bluetooth protocol 5. Support multiple phones at the same time matching. (Up to 8 Bluetooth cell phone) 6. Built-in DSP noise reduction and echo cancellation 7. 2W speakers with high fidelity and high sensitivity microphone 8. Battery Type: Lithium, 3.7v, 650mah (BL-5B) 9. Talk time: 15 16 hours Standby time: up to 600 hours Charging time: 2 to 3 hours 10. Size: 118mm (length) x 46mm (width) x 16mm (H)