1. Bluetooth distance: barrier straight line distance of 10-20 meters, no access to any angle 5-10 meters;
2. Endurance: continuous songs to call up to 7 hours, standby 150 hours,
3. Charging: Andrews data cable charging interface, 60 minutes can be 100% full of battery full;
4. Sports waterproof, Bluetooth self-timer;
5. Support IPhone power display;
6. Support English caller ID and voice prompts.
7 support songs, voice calls