Feature :
Bluetooth connection;
Compatible OS: Android and , iOS
Operating Mode: Single Touch Key
life Waterproof: Do not support swimming and take a shower.
Screen Size: 1.44 inch TFT
Resolution: 240*240 pixels
Battery Capacity: 90 mAh
Standby Time: About 5-7 days , Using time: About 2-3 days
Charging Time: About 2.5 hours
Charging Type: USB charging