1、Supports direct full duplex communication between the front and rear seats of the motorcycle, or between the bikes, with a maximum distance of 600m/1968.5ft (depending on the test environment). 2、Support 12 Bluetooth headset pairing, 12 people at the same time intercom, 2 people intercom distance 200‑300 meters/656.2‑984.3ft, 12 people intercom distance can be 3000 meters/9842.5ft. 3、Support mobile phone operations, such as: automatically answer incoming calls, unplug the phone, hang up, re-dial, voice dialing. 4、Support V12 (T30‑S) to enjoy mobile phone music, and conveniently control music playback, pause, up and down. 5、Built‑in for DSP wind noise elimination, environmental noise suppression. Waterproof level up to IP67. 6、Built‑in high sensitive FM radio, you can easily store and play your favorite radio station. Big keys, big volume design, easy to ride. 7、Built‑in large capacity battery 650 mAh, up to 12 hours of continuous talk time. Item Type: Bluetooth Intercom Material: ABS Color: As Pictures Shown Weight: Approx. 357g/12.6ozBluetooth Version: CSR5.0V Supported Protocols: HSP,HFP,A2DP,AVRCP,AGHSP Working Hours: 15 hours Standby Time: 300 hours Charging Time: 3 hours Lithium Battery: 3.7V, 650mAh 1 x Intercom 1 x Earphone Cable 1 x Hard Microphone 1 x Soft Microphone 1 x Screw Clamp 1 x Gasket 2 x Screw 1 x Wrench 1 x Hook and Loop Fasteners Clip 1 x Double-sided Adhesive Tape 1 x USB Cable (for Android Interface) 4 x Hook and Loop Fasteners 1 x Manual