Overview: Dual capacity of use on desktop like a conference speakerphone & in car like a hands-free car kit Advanced built-in microphone with DSP solution for echo cancellation & noise suppression that gives you impeccable full duplex soundquality. Bluetooth V2.1 EDR, Range up to 10 meters distance Multipoint support: allows a speaker phone, connecting to two phones Memory 8 Cellphones' connection, no need to reconfigure Support secure simple pairing Advantage echo & noise cancellation Full duplex & high performance speaker Talking time: up to 16 hoursstandby time:up to 45 hours Standard package including: speakerphone/USB car charger/USB cable/ Manual/sunvisor clip/BL-5B Battery (3.7V/650m Ah) Specification: Weight Approx:109.7g Size Approx:11.5 x 4.5 x 1.5