Selling these very multi functionable sunglasses headset adopting handsfree capabilities and integrated function to reduce ambient noise, so that you can enjoy all music and multimedia advanced sound. Compatible with various Bluetooth devices, mobile phones, laptops, etc. Endurance: Sunglasses support music, playing music continuously for 6 to 8 hours, and they support calls, with microphone, continuous call for 4 to 6 hours, with 150 hours standby time. Lightweight design only 50g, which is suitable for long wearing without discomfort. Comes with USB charging cable, glasses case, glasses cloth, and manual. Item will be packaged suitably. Thank you. Questions welcome
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