Stereo Bluetooth Sunglasses Specs:

　　Product Dimension: 180*155*50MM

　　Lens: UV400 protection & Polarized

　　USB port: USB high-speed 2.0

　　Bluetooth: 3.0

　　Filtering: Dual automatic EQ; static and noise correction

　　Battery Type: Rechargeable lithium-ion polymer, charged via USB connection or optional external charger

　　Power Consumption: 0.4W

　　Power duration: about 8 hours for talking time and 180 hours for standby time.

　　Power Adaptor: 5V DC/500 mAh

　　Charger Input: AC100-250V 50/60Hz 10mA

　　Charger Output: DC5V±5% 200-300mA

　　Working Temperature: 0–60

　　Storage Temperature: -20 oC–80 oC

　　UV blocking: Blocks 100% of all UVA, UVB, UVC and harmful blue light

　　Stereo Bluetooth Sunglasses Accessories:

　　Carrying Bag

　　Cleaning Cloth

　　User Manual

　　AC Adapter

　　USB cable