Plantronics Voyager PRO+ Bluetooth Headset: Technical Information Connectivity Technology * Wireless Bluetooth 2.1 EDR Earpiece Design Type * Behind the ear, left/right wearing Microphone Microphone type * Built-in, boom Controls/Indicators Earpiece Controls * Power On/Off * Volume up/down * Call Answer/End/Reject/Redial * Pause/Play Music * Quick battery check * Pairing/Reconnect lost connection Microphone Controls * Mute on/off * Voice activated dialing Plantronics Bluetooth Headset Physical Characteristics Color * Black Miscellaneous Additional Information * Talk time up to 6 hours * Standby time up to 5 days * A2DP streams music, podcasts, GPS navigation and more * Enhanced voice alerts for added convenience * Connect to the Plantronics Vocalyst hands-free text and audio email service * Headset battery meter for iPhone displays remaining battery life * Dual-mic AudioIQ noise cancellation * 3 layers of wind noise protection * 15 hours for full charge Compatibility * This product is compatible with most Bluetooth-enabled phones