1.This Bluetooth smart glasses has the function of directional sound cavity, full of sense of technology2.With these smart glasses, you can listen to music, make hands free calls, or receive navigation directions as you work or exercise3.The wireless Bluetooth sunglasses are compatible with any Bluetooth enabled device, including iOS/Android devices4.These smart sunglasses are also polarized to keep you safe and comfortable. Enjoy premium clarity and sun glare reduction to ensure you always see where you are going5.Anti blue-ray glasses prevent computer radiate when you are working in office or playing at home, ease your eyes strainThese inventive smart sunglasses are designed to fit both men and women in size and styleIP67 waterproof and sweat proofLightweight material, the product weighs only 86gProduct Name:Smart GlassesFunction:Answer Call, Dial Call, Remote Control, Blue light proof, polarized sunglasses, listening to music, navigationCharging Type: USBBattery Capacity: 220mAh, charge for 2H/standby for 7 days/continuous talk 6H/continuous listening to music 4HWireless distance: 10m and aboveMode of operation: push-buttonmodel: F003 A1Colour:Black frame black mirrorMaterial:TR90 plasticSize:58 x 18 x 147mmPackage Contents:1 * Smart Glasses1 * Charging Cable1 * Chinese and English manual1 * Glasses Cloth1 * Glasses Protection BoxOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.