Use for 1
Home sphygmomanometer, remote control
Use for 2
Fingerprint lock,wireless keyboard and mouse
Use for 3
KTV speaker,microphone
Use for 4
Game consoles,gamepads,toy cars
Use for 5
Facial washing device
Feature 2
Overdischarge,short circuit protection
Feature 4
Long battery life
Feature 5
Low self-discharge,stable output power