Product information:
Product material: metal frame, TPU strap
Display: 0.96 inch IPS color screen
Built-in battery: 90mAh polymer lithium battery
Charging method: USB direct charging
Bluetooth chip: Bluetooth 5.0 Waterproof rating: IP68
Support system: Android4.4 & ios8.0
Standby time: 15 days

Size Information:

Packing list:
Bracelet body x1, color box x1, manual x1