Min. Order Reference FOB Price
1 Piece US$17.00-18.00 / Piece
Product Description
Specification: Product Size:45.8*9.3mm Colour: black, blue, Pink BT:BLE 5.0 Waterproof level:IP68 Master chip : Realtek8762c Heart rate sensor: VC31 b+NTC Resolution: 240*240pixel Display Type: 1.28 inch full screen Battery Type: Built-in pure cobalt lithium battery Battery capacity: 180 ...