Product details of Pro 4

• parameters
• Product Specification:
• 1.Bluetooth specification:V5.0
• 2.Bluetooth Profile:A2DP,AVRCP, HFP;HSP
• 3.Working voltage:3.1V~4.2V
• 4.Charging voltage:5V-1A
• 5.Battery capacity of the headset: 30MAH
• 6.Battery capacity of the storage box:260MAH
• 7.Transmission distance:>10M
• 8.Call Play time:About 3 h
• 9.waterproof :IPX5
• 10.Charging time of headset:About 1 h
• 11.Charging time of the Charging box:About 1.5 h