WT002 1000m IPX5 Waterproof Motorcycle 2 Users Full Duplex Talking Bluetooth Intercom Multi-Interphone Headsets, Support Receive Calling & Listen Music & Noise Reduction Description: 1. Direct full duplex intercom between interphone and interphone up to 1000 m. Interphone for bluetooth enable within 10 m visible range of the cell phone. 2. Answer calls, reject calls and hang up calls. 3. Automatic answering calls. 4. Support FM radio. 5. Enjoy the cell phone music through A2DP or connect GPS. 6. Control cell phone music through AVRCP: forward, backward, play, pause. 7. Automatic switching among bluetooth cell phone, intercom, stereo music. 8. The DSP eliminates noise and wind sound processing to ensure clear call quality when running at high speed. 9. Button panel is water-proof and sun-proof, while the design is durable. 10.Support the last number redialing. Parameters: Bluetooth version: 3.0+EDR Frequency: 2.4GHz Supports: A2DP and AVRCP Supported Bluetooth Profiles: Bluetooth Headset and Hands free Profiles with Automatic Detection Operating Range: Up to 10m for cellphones Battery Type: Rechargeable Lithium Polymer 750mAh Stand by: Up to 500hrs Talk time: Phone up to 16 hours;Intercom up to 13 hours Charging Time: About 4 hours Power Adaptor: DC 5V 1A (Optional)