POOWO Numeric Keypad

Specification: Item Type: Numeric KeypadOptional Color: Black, GrayCompatible with Bluetooth Solution: 20730 chip compatible with Bluetooth module Compatible with Bluetooth Protocol: Compatible with Bluetooth 3.0 Working Distance: About 10 Meters in Barrier-Free Conditions Operating Voltage: DC 3.7 V Battery Capacity: 350mAh Working Current: <5mA Continuous Working Time: 70H (350mAh Battery Calculation) Standby Time: 90 Days Sleep Current: About 50uA Charging Current: <150mA Charging Voltage: DC 4.7~5.2v Sleep State: The keyboard enters sleep after 20 minutes without action; Status display LED: 1. LED is blue light 2. Power on and the blue light is on, and after 1S, the blue light flashes slowly 1 time and goes out; 3. Press and hold the code button for 3 seconds and the blue light flashes into the code status. The devices do not need to input the password, just select the devices connection4. Low voltage indication: In the blue light is working state, the flashing is low voltage indication Package List: 1 x Numeric Keypad 1 x User Manual 1 x USB Cable