10X Noise Cancelling Bluetooth Headset

Features: True Echo/Background noise elimination. Adjustable Head Strap. 180°Horizontal adjustment adds extra comport for left or right ear use. 320° Swivel arm with flexible boom mic. Convenient and easy to use mute button. Headset to handset Transfer. Easy answer/end/reject/redial/and volume adjustment. Voice recognition dialing. Low bettery LED indication. AC/DC?USB chargers included. Specification: working range:up to 33Feet Bluetooth version:V2.0+EDR(Enhanced Data Rate) DSP technology Simple Pairing Support Maximum Talk time:13 hours Maximun Standby time:13 hours Low battery LED and audio indication. Noise canceling;voice-dialing,making&Answering&Transferring a call. one year warranty.