Sena SPH10 Bluetooth Helmetless Headset Intercom The SPH10 is a Bluetooth v2.1+EDR Class 1 Stereo Headset with long-range Bluetooth Intercom designed specifically for outdoor sports activities. With the SPH10, you can call hands-free on your Bluetooth mobile phone, listen to stereo music or voice instructions of GPS navigations by Bluetooth wirelessly, and have intercom conversations in full duplex with your companions. Thanks to the latest Bluetooth v2.1+EDR and the advanced digital processing technology, the SPH10 offers the best sound quality for both incoming and outgoing sound in its class. Also, the easy-to-access and intuitive button operations make the SPH10 a perfect companion for outdoor sports. Features Stable and secure fit for active condition Bluetooth Specification v2.1+EDR Firmware Upgradeable Bluetooth Intercom up to 900 meters (980 yards) in open terrain Multi-Pair Bluetooth intercom for 4 persons Bluetooth stereo headset for Bluetooth audio devices such as MP3 players Bluetooth music playback control by AVRCP play, pause, track forward and track back Easy Headset Controls by versatile Jog Dial (Patent Pending) Sufficient sound level with integrated audio booster Bluetooth hands-free for Bluetooth mobile phones Bluetooth headset or stereo headset for Bluetooth GPS navigations Durable, Sweat and Water resistant for active conditions Crystal clear and natural sound quality Up to 10 hours talk time, 7 days stand-by time 2-year international warranty Specifications Built-in SBC Codec Noise cancellation Wind noise reduction Wide volume control Sample rate 48kHz (DAC) Auxiliary audio-in connection via 3.5mm jack Charging time 2.5 hours Type Lithium polymer battery Profiles Headset Profile, Hand-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio Video Remote Control Profile (AVRCP) Bluetooth 2.1+EDR Talk time 10 hours Standby time 7 days Intercom working distance up to 900 meters (980 yards) in open terrain Dimensions 210 mm x 131 mm x 73 mm (8.3 in x 5.2 in x 2.9 in) Weight 116 g (4.10 oz) Package Contents SPH10 Bluetooth Headset/Intercom Boom Microphone Mini Microphone USB Power Cable Stereo Audio Cable