Support HSP, HFP, A2DP and AVRCP profiles Implement SBC and MP3 codec specified in A2DP Interoperable with both Bluetooth phones and A2DP enabled audio devices Efficient power management for low-power operation Incorporate audio playback at 16 bit, 44.1 KHz (max) for HiFi Support remote control features such as volume up / down, play and stop on MP3 Auto-Switching between listening music and making phone calls Up to 10 hours music listening time, 12 hours talk time and 400 hours standby time Keys: Play, Stop, Vol+, Vol-, Forward and Backward Dual monitoring function VoIP calll with Bluetooth USB Dongle connected Compatible with most popular Bluetooth mobile phone models such as -Nokia 3230, 3650, 3660, 6230, 6260, 6310, 6310i, 6600, 6630, 6650, 6670, 6810, 6820,7600, 7610, 7700, 7710, 8280, 8910, 8910i, N-Gage; - Sony Ericsson K700i, P800, P900, P910i, T39, T68, T68i, T610, T630; - Motorola V3, V80, E398, V500, V501, V 600; - SiemensS55, S65, SX1; - Philips Fisio 825 / 826; - Samsung SGH-D500 - Sharp GX15, GX30; - Panasonic X 70; - O2 Xda II, etc.