Easy to use with superior audio quality Extremely versatile with a long range, the SPH10 Bluetooth 3.0 stereo headset brings your favorite tunes, GPS navigation, four-way intercom conversations featuring a 900-meter (980 yards) range, & hands-free calling to a wide range of outdoor sports & motorsports activities. This wireless outdoor intercom, for both incoming & outgoing audio, will take any of your extreme adventures to the next level. Features Bluetooth 3.0 Intercom up to 900 m / 980 yds. Bluetooth Stereo Music Musik sharing Voice promts Audio Boost Advanced Noise Control™ Can be used while charging Jog-Dial Firmware upgradeable Cross brand intercom compatibility Our gear works with everyone else’s gear—guaranteed! Even if your companions don’t have Sena gear, the SPH10 uses the Universal Intercom™ protocol, which allows your gear to work with their gear, regardless of br&. Ergonomically friendly control The versatile Jog Dial & large buttons on the boom mic make it easy...