Generic 1000m Interphone Bluetooth Motorcycle Motorbike Helmet Intercom Headset FM Pack Of 2Pcs Wireless headset for bluetooth enable cell phone at a range of up to 10 meters. Bike-to-bike intercom for rider& passenger or two separate bikes up to 800-1000 meters. Up to 10 hours talk time when connected to cell phone. Up to 6 hours talk time when using the intercom feature. Up to 300 hours standby FM Radio function. Support audio transfer. Call out, call answer, call reject, call hang up;Receive a cell phone call automatically Enjoy the cell phone music through A2DP or connect GPS 7-14 working days delivery with tracking number !