Descriptions This professional Referee Headset Football Wireless Headsets enable 2/3/4 referees to listen and talk at the same time while arbitrating during football games with clear instrction and conversation. ▶▶▶We have pairing video, see below link: https://youtu.be/vZJihSAiOCc (We also have 4 referee headset, check ASIN B0768ZTNSG) Features ① Three users Real-Time referee headset football wireless headsets communication ② No need hot keys referee headset football wireless headsets, easy to use ③ Memory pairing referee headset football wireless headsets, simple and easy. ④HI-FI sound referee headset football wireless headsets ⑤ High-power football referee communication, which can be used In a noisy environment. Stereo HI-FI headset ⑥ 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: 2x V6 Referee Headset Football Wireless Headsets 1x V4 Referee Headset Wireless Headsets 3x refereee earphones 3x Charging Cables 3x 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.
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