Waterproof Keychain Anti Loss Device Intelligent Finder Positioner Bluetooth Smart Tracker Two-way Search RoundWaterproof Keychain Anti Loss Device Intelligent Finder Positioner Bluetooth Smart Tracker Two-way Search Round
Price: Waterproof Keychain Anti Loss Device Intelligent Finder Positioner Bluetooth Smart Tracker Two-way Search Round Description: MCU (microcontroller) arm32-bit processor, 2.4G low-power Bluetooth Sensor: three axis acceleration sensor Reminder mode: