Full Duplex Synchronous Intercom FM Headset Bluetooth Interphone with Earphone

Bluetooth version: 3.0
Bluetooth chip: CSR BC5
Standby: 400h
Talk time: Over 10 hours
Charging time: About 3 hours
Battery: 850mAh inbuilt polymer lithium battery
Working voltage: 3.3 - 4.2V
Radio frequency channel: FM87.5 - 108MHz

Main Features:
- Light and compact design, water resistant casing, convenient for both hand-holding and wearing
- Have a wonderful smooth communication with smart one-key Bluetooth pairing
- Maximum talk distance of 1200 meters
- Support two, three or four riders simultaneously without interference
- High capacity of inbuilt polymer lithium battery up to 850mAh
- Excellent interphone for handsfree communication of motorcyclists, directors, referee, etc.
- DSP noise reduction ensures high sound quality

Package weight: 0.472 kg
Product Size(L x W x H): 12.00 x 4.50 x 2.00 cm / 4.72 x 1.77 x 0.79 inches
Package Size(L x W x H): 22.50 x 14.00 x 5.50 cm / 8.86 x 5.51 x 2.17 inches
Package Contents: 2 x Bluetooth Interphone, 2 x Earphone Microphone, 2 x USB Adapter, 2 x USB Charge Cable, 2 x Clamp, 4 x Screw, 1 x Screw Driver, 1 x Armband Holder