Model Number:Yunxwdox75rqvnhw-12 Colour:Polarized Light Item Weight:150 g Specification: Item Type: Smart Glasses Material: TR90 + PC BT Version: 5.0 Charging Voltage: DC5V Built in Polymer Lithium Battery: 95mAh Channel: Dual Speakers, Stereo Charging Time: 90min Package List:1 x Smart Glasses 1 x Wiping Cloth1 x Charging Cable1 x Manual BT 5.0: The wireless glasses are paired with the new version BT 5.0 technology to achieve low power consumption, wide coverage and faster transmission performance. Comfortable To Wear: Bone conduction technology, comfortable to wear for a long time, does not damage hearing,you can hear ambient sound normally when using. Dual Speakers: The smart music glasses are designed with dual speakers, the open speakers make the sound field wider, and the sound is clear and full of spatial layers. Multi Functional: BT glasses have built in high sensitivity microphone, support intelligent voice control, convenient and easy to operate, very suitable for driving, running, etc. High Quality Lenses: This music sunglasses are made of high quality TR90 lens material, which protects eye health and ensures the safety of outdoor use, it is suitable for travel. BT 5.0: The wireless glasses are paired with the new version BT 5.0 technology to achieve low power consumption, wide coverage and faster transmission performance. Comfortable To Wear: Bone conduction technology, comfortable to wear for a long time, does not damage hearing,you can hear ambient sound normally when using. Dual Speakers: The smart music glasses are designed with dual speakers, the open speakers make the sound field wider, and the sound is clear and full of spatial layers. Multi Functional: BT glasses have built in high sensitivity microphone, support intelligent voice control, convenient and easy to operate, very suitable for driving, running, etc. High Quality Lenses: This music sunglasses are made of high quality TR90 lens material, which protects eye health and ensures the safety of outdoor use, it is suitable for travel.