Descriptions This professional V4 Referee Headset Football Wireless Headsets referees to listen and talk at the same time while arbitrating during football games with clear instrction and conversation. Features ?NOTE: This is only 1pc V4 referee headset, if you want to talk with other referee. We have 3 referees(2V6+1V4) football wireless headsets communication, check B074W37NQP. 4 referees(2V6+2V4) B0768ZTNSG ? No need hot keys referee headset football wireless headsets, easy to use ? Memory pairing referee headset football wireless headsets, simple and easy. ?HI-FI sound referee headset football wireless headsets ? High-power football referee communication, which can be used In a noisy environment. Stereo HI-FI headset ? National Level 5 waterproof standard referee headset football wireless headsets Specification Referee Headset Football Wireless Headsets Bluetooth version: Bluetooth 3.0 Referee Headset Football Wireless Headsets Chip: CSR BC5 Referee Headset Football Wireless Headsets Battery capacity: 550Mah Speaker power: 0.25W RDS: NO Referee Headset Football Wireless Headsets Battery type: polymer lithium battery Referee Headset Football Wireless Headsets Waterproof grade: National Level 5 waterproof standard Automatic volume adjustment: no Football Referee Communication Operating voltage: 3.3v-4.2v Football Referee Communication Talk time: 8h Football Referee Communication Working temperature: -10-45 degrees Celsius Charging time: 2.5hour Standby time: 150hour Package: 1x V4 Referee Headset Wireless Headsets 1x refereee earphones 1x Charging Cables 1x Arm bags Warranty 1 Year(Within 1 year after you purchase, we supply repair service for free) If you need the accessories for this intercom, you can contact with us.

5 Referee Headset Football Wireless Headsets Wireless Football Headsets Headset Football Referee Communication suitable for football referees, arbitration, skiing, ATV,etc. 4 ARMBAG to hold the Referee Headset Football Wireless Headsets Wireless Football Headsets Headset Football Referee Communication, more suitable to use. 3 LIGHT WEIGHT Referee Headset Football Wireless Headsets Wireless Football Headsets Headset Football Referee Communication to carry, SUITABLE LENGTH Referee Headset Football Wireless Headsets Wireless Football Headsets Headset Football Referee Communication. ? Contact with us for video for this Referee Headset Football Wireless Headsets Wireless Football Headsets Headset Football Referee Communication, noise cancellationg. ? We have pairing video for this referee headset, no phone needed Referee Headset Football Wireless Headsets Wireless Football Headsets Headset Football Referee Communication.