QS9 ows pro air conduction headphones long endurance open ear headphones wireless bluetooth headset

Product Details

Bluetooth call、Bluetooth music、

Voice Assistant

Technical parameters： jieli AC6973 ；

Loudspeaker：15*11 DRIVERS；

Battery：lithium 60mAh*2(earbuds)/300mAh(case)；

Charging mode：type-c；

Charging time：90 minutes；

music time：5hours（(at 60% volume）；phone call time：＞5hours；

Standby time: it takes more than 48 hours to connect to Bluetooth, and 20 days to disconnect from Bluetooth；

Appearance material：Case: ABS plastic/earphone feel oil+electroplated decorative pieces;

Hanging rope material：Ti-Nikle cable+TPU ；

Waterproof grade：IPX4