Product Specifications : Waterproof Grade: IP67 Waterproof Dimension: 263mm (L) X 48mm(W) X 13.3mm (H) Operation Method : Touch + 1 Function Button Display Screen: 1.28 Inch IPS Color Screen Battery Capacity: Polymer Lithium Ion 230mAh Charging Time: 1 To 2 Hours Working Hours: 2-3 Days Standby Time: 6 To 7 Days Body Material: Zinc Alloy Case Bluetooth: BT3.0/4.0