Overview:
1.Bluetooth 3.0 professional chip
2.1200m Bluetooth actual intercom distance, 3 people switch intercom in pairs
3.HD binaural headphones, stereo music
4.Professional waterproof, windproof, high power, support A2DP EDR
5.Answer calls automatically
6.FM radio function
7.650 mAh lithium battery
8.Work more than 12 hours 10. Intercom with similar products of other brands
9. Connect 3 Bluetooth devices at the same time

Product information：
Bluetooth power: Level 1
Transmitting power: 21dbm receiving
Sensitivity: -83dbm
Bluetooth protocol support: A2DP, AVRCP, HSP/HFP, AGHSP, dedicated walkie-talkie
Battery capacity: 650mah
Talk time: 12 hours
Charging time: 2.5 hours
Battery type: Lithium polymer battery
Standby time: 350 hours
Maximum ideal communication distance: 1200 meters (varies according to the actual test environment)
Maximum number of people: 3 people switch intercom
Size: 85 * 42 * 23mm
Antenna: built-in
Speaker impedance: 32 ohms
Frequency response: 20HZ-16KHZ

Packaging：
Earphone*1