Product Type : Pro 6 Wireless Earbud Model no : Pro 6 TWS Bluetooth version: 5.0 + EDR Output power: 40mW; Battery capacity 30mAH , charging box is 300mh Bluetooth distance: 10-15 meters Frequency response: 20-20000Hz Operating voltage range: 3.0V-4.2V Charging time:about 1 hours Music...