Per manufacturer: - Ergonomic earhook with improved back housing design to form fit to your ear; reversible for comfortable wearing - Multi-function button to control 3-way calling, call start and end, hold, mute - Blue LED light to notify when the headset is in use - Compatible with cell phones embedded with Bluetooth version 1.2 or higher; can also be used with Bluetooth-enabled PCs - Provides up to 8 hours of talk time and up to 130 hours of standby time - 140 mAh battery - EMU connector - Dimensions: 2.28 x 1.06 (2.09 including earhook) x 0.87 inches - Weight: 0.55 ounces - Bluetooth version: 1.2 with support for headset (HSP) and hands-free profiles (HFP) Item is in like new condition. Contains H500 headset, AC travel charger, and quick start guide WASPM