Feature 1, Bluetooth motorcycle helmet intercom with talking range up to 1200 meters 2, 850mah large capacity battery can prolong the talk time and standby time. 3, Full duplex wireless Bluetooth hands free intercom communication. 4, Up to pair 6 riders & talk between any 2 of them at a time. 5, Come with replacement metal clip, convenient for you to use. Features: 1. Bluetooth motorcycle helmet intercom with talking range up to 1200 meters 2. 850mah large capacity battery can prolong the talk time and standby time. 3. Full duplex wireless Bluetooth hands free intercom communication. 4. Up to pair 6 riders & talk between any 2 of them at a time. 5. Come with replacement metal clip, convenient for you to use. 6. With wind noise cancellation, you could hear clearly at a speed up to 120km/h. 7. High quality batteries, 3 hours charge to full and Up to 8 hours talking time. 8. With stereo Bluetooth headset, supports stereo music/Audio navigation from GPS, auto answer the call. 9. Ultrasonic integral molding, better water resistance, ensuring maximum durability. 10. Hands free communication. you can pair with other 5 persons. 11. Suit for motorcycle helmet (Full-face / Half-face). 13. Works good with referee headset for football match (3-4pcs to make a referee group) Specifications: Condition: 100% Brand New Applicable helmet type: universal Maximum number of speakers: 6 Connection mode: Bluetooth Main features: full duplex real two-way wireless communication, 2.4G Working speed: up to 120 km/h Stereo music/audio: A2DP and EDR Bluetooth feature phone/MP3 / GPS/HIFI Maximum communication distance: > 1000m Hands-free Bluetooth headset: automatically receive mobile phone Between two riders among six riders Maximum conversation range: 1200m / 3937ft between 2 participants Maximum running speed: up to 120 Km/h Battery: 850motor Talk time: up to 12 hours Waiting time: 360 hours Frequency: 2.4 GHz Bluetooth core: Bluetooth 3.0 Battery: 850mAh Li Polymer battery Charging time: about 3 hours Chip brand: CSR Power supply: about 110 V~240 V Output power: DC 5 V 55~75mA Package List: 2 * EJEAS V6 Pro Helmet Intercom 2 * Bluetooth Headset 2 * Metal Clip Replacement 4 * Cotton Stick 4 * Screw 1 * Screwdriver 2 * Fixed Plate 2 * USB cable 2 * User manual