Forestfish Bluetooth Sync Smart Bracelet Sports Fitness Tracker Smart Wristband Water Resistant Tracker Bracelet Sleep Monitoring Anti-lost Smart Watch (Black)

Specification:
Size: 2.3*0.7*0.5inch (L*W*H)
BT Version: BLE 4.0
Charging: Built-in 5V USB slot
Battery: 65mAh Li-on battery
Standby time: 10-12 days
Time Shown: 12 or 24 hours (according to the time of cellphone)
Compatible with: Android 4.3 OS, IOS 7.0 or above
Such us Samsung Galaxy S5/S4/ S3/ Note 4/3, LG G2/3, HTC one;
IOS 7.0 or Above/Apple iPhone(iPhone 6/6Plus / 5s/ 5c/4s/4, etc.