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open ear experience, protection of eardrum, guarantee travel safety.
Better range & stable connection via Bluetooth 5.1.
Wireless phone call & play music.
Directional Audio, TWS program.
Anti-glare, anti blue-ray and anti UV .
Built-in dual USB rechargeable lithium battery
Bluetooth:Bluetooth Glasses
Connection Range:10m
Frequency Range:20Hz-20KHz
Each Frame Battery:90mAh+90mah
Total Battery:180mAh
Charging Time:1 hours
Standby Time:4 hours
Weight:48g
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