Monster TWS wireless Earphone and LED watch

wireless version: 5.3

working distance 10 meters 

earphone battery capicity: 20 mAh * 2

charging compartment battery capicity: 200 mAh

rated input: 5V/20mA (for earphone), 5V/200 mA (for charging compartment)

charging time: about 1-1.5 hours