2-Piece Set Professional Football Referee Walkie Talkie Full Duplex 1200M Referee Headset Wireless Bluetooth Walkie Talkie Walkie Talkie This headset is designed for football and handball referees. Referees wear single-ear headsets to get real-time news of the game, this headset helps them run freely and hear clear voices even in a noisy environment. The kit includes referee headsets and V6 walkie talkies, the headset works well with the walkie talkie. The referee can hear the voice clearly even in a noisy environment, the V6 helps the referee speak at a distance of 1200 meters, perfect for football fields. Features: Talk between 2 referees on the field Maximum talk range: 1200m/3937ft between 2 referees Maximum operating speed: up to 120km/h Talk time: up to 8 hours Standby time: 100 hours Frequency: 2.4GHz Bluetooth core: Bluetooth 3.0 Battery: 550mAh lithium polymer battery Charging time: about 3 hours chip Power supply: AC 110V~240V Output power: DC 5V 55~75mA Highlights: Bluetooth motorcycle helmet intercom, talk range up to 1200 meters Full-duplex wireless Bluetooth handheld intercom communication can pair up to 6 riders, and can talk between 2 of them at the same time DSP elimination of tailwind noise, can be heard clearly at speeds up to 120 km/h High-quality battery, fully charged in 3 hours, talk time up to 8 hours With stereo Bluetooth headset, support stereo music/GPS audio navigation, automatic answering of calls. Ultrasonic one-piece casting, better waterproof performance, can be used all day. Two-handed communication. You can pair with 5 other people. Motorcycle Helmet Set (Full Face/Half Face) for use with Football Match Referee Headset (3-4 pieces make up a referee set) Package Includes: 2 x 2 x Referee Headset 2 x Wrist Bag 2 x USB Cable 1 x User Manual Packing List: Packing List: 2 x V6 Plus 2 x Referee Headset 2 x Armband Bag 2 x USB Cable 1 x User Manual