SPECIFICATIONS:
1. Chipset / Bluetooth: JL7013A/ 5.3
2. Features: 1.85 inch, IP67 waterproof, 128M Momory
3. Battery Capacity: 230mAh
4. Working Time: 5-7 Days

COLOR/ SIZE/ WEIGHT/ MATERIALS:
1. Colors: Black, Blue, Purple, Pink
2. Dimension: 43 * 37 * 11mm
3. Materials: PC+ABS
4. Bracelet: 25.5cm