Bluetooth v5.0 Connectivity
HD sound with Heavy Bass
Touch Control, Long battery life
Auto Turn on/off, High definition Mic
Compatible with Siri and Google Assistant
sensitivity: 110db+3db
charging time: about 1-2 hours
working time: 3-4 hours
300 mah-charge earphones 3-4 times
battery capacity: 40mah*2+300mah
working range: up to 10 meters, class 2
