Samsung SBH700 Bluetooth Stereo Headset Talk Time - up to 8 hours OR Stand-by time is up to 140 hours (6 days) before recharging with the included AC travel charger Only 1.6 ounces So light and mobile at only 1.6 ounces Send & End function, Voice-Dial, 3-way calling & Wireless Stereo Music Streaming via the Bluetooth A2DP profile. Bluetooth AVRCP profile enabled devices can be remotely controlled for Pause, Play, Fast Forward, Previous song, Skip and other AVRCP functions for full control of your stereo device Bluetooth A2DP/ AVRCP/ HF/ HSP profiles are all supported on this Bluetooth version 2.0, class 2 device for better connectivity up to 30 feet away