Support 4 people intercom, which can real-tome communication as same time no need to switch.
The maximum communication distance can reach 1200m in the good state vacuum environment.
Generally in an open, barrier free environment, the effective distance is about 600m.
ESP noise reduction, features stereo speakers which provide clean loud audio.
With A2DP and Bluetooth 3.0 insure the highest quality audio connection.
Fit for mountain climbing, cycling, referee intercom, ski intercom etc.
Can also pair with popular motorcycle GPS system for voice guidance.
High-power headset, which can be used In a noisy environment.
Made of ABS with high quality, lightweight, tough and durable.
Support FM radio function, with sports armband, easy to use.
Can pair to any smartphone for music, GPS and phone calls.
8 hours talking time, up to 150 hours standby time.
National level 5 waterproof standard.
Bluetooth version: 3.0.
Chip: CSR BC5.
Battery capacity: polymer 550mAh.
Charge and discharge times: 500.
Operating voltage: 3.3V-4.2V.
Call time: 8H.
Standby time: 150H.
Charging time: 2.5H.
Radio frequency band: 87.5-108 MHz.
Intercom range: about 1200M.
Speaker power: 0.25W.
Whether or not TTS: None.
Automatic volume adjustment: No.
Operating temperature range: -10° to +45°(minimum and maximum operating temperature).
Charger specification: DC 5V 500mA.
2* V4C host.
2* single headset.
2* charging cable.
2* arm bag.
2* user manaul.