Jabra BT325s Bluetooth Stereo Headset for all Bluetooth Enabled Phones Up to a 30 foot operating range Up to 8 hours of talk time, and up to 240 hours standby time Supported Bluetooth profiles: Handsfree (default) and Headset Bluetooth profiles Weight:Less than 40 grams incl. the original Jabra headphones Supported special features include: Pair with up to 8 devices, Answer calls, End calls, Reject calls, Voice dialing, Last number redialing, Call waiting, Place call on hold, and mute (some features are phone dependent)