👓 {* SIZE & STYLE *} Unisex (MEDIUM-LARGE) SPORT / GREY 👓 {* SUN & SOUND *} Next-Gen Rechargeable Smart Sunglasses Combine On Trend Classic Sunglasses with Built-In Bluetooth Ready Premium Sound Speakers 👓 {* SUNGLASSES *} Classic timeless style frames are made with lightweight & durable TR90 material and include UV400 protection polycarbonate shatter resistant lenses. 👓 {* SOUND *} These sleek, tech-savvy sunglasses include built-in Bluetooth speakers providing you premium high-fidelity immersive sound while the soft touch one hand controls and open ear listening allows you to stay safely aware of your surroundings while enjoying your music or making calls. 👓 {* ADDITIONAL FEATURES / TECH SPECS *} > Bluetooth Ready > USB Charging > One-Side Magnetic Suction Charging Port > Open Ear Premium Sound > Soft Touch Controls > IPX4 Waterproof > 4 Hour Working Time > Operating Distance of 10 Meters > Weight 40g