Features: Longer battery life for the smart watch allows for three to four charges. In 50 minutes, charge the newest watch model to 60%. Compact and pocket-sized, featuring a keychain Power digital display that makes it obvious how much power is left Automatically detect, snap, and charge It is widely compatible with all Smart Watches and has six safety features, such as over-voltage and over-current protection. It is safer to use because it charges with less heat. Specifications: Model number: JR-WQW01 Name: Wireless Portable Charger Material: fire-resistant ABS+PC 2000mAh of capacity (3.7V/7.4Wh) 5V = 1A is the USB-C input. 3W wireless output 72.2*41*15.6 mm in size 63g is the net weight.