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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Lighting Modes: constant/wave/continuous/flashing/slow flashing/fast flashing/bright and dark/ dream
Accessories type: USB charging interface
Not require any artificial force to operate
Charging Time: 3 Hours
Product name: Hydration backpack
Blood Pressure Heart Rate Exercise Pedometer Smart Bracelet Rearview Mirror Lighting Modes: constant/wave/continuous/flashing/slow flashing/fast flashing/brightProduct information: Main control chip :: NRF52832 Photoelectric chip Wikiqinyuan ultra low power continuous heart rate VC9S Vibration: silent vibrate Waterproof level: IP68 Compatible systems: Android 4. 4 and above, iOS 8. 2 and above Screen size: 1. 08 inch high definition color screen, Screen Type: TFT Connection parameters: Bluetooth 4. 0 BLE (low power consumption) Other parameters: battery type high density polymer lithium battery Battery