Suitable For Referee Bluetooth Walkie-talkies $ 146.85 Product information: Bluetooth version: 5.1 Audio format: SBC&AAC Technical support: CVC noise reduction, 3D sound effect Intercom mode: 4 people talk to each other at the same time Intercom distance: up to 1500m (when 4 people talk at the same time) Battery: 3.7V/850mAh Power adapter: DC5V/1A Intercom time: 19h Standby time: 260H Charging time: 2.5H Waterproof grade: IP65 Operating temperature: - 10~50c Charging interface: 3.5mm round hole connector Packing list: Walkie-talkie*1
