WoSports S6 Sports Cycling Sunglasses. Bluethooth 4.0 Stereo Headset Headphone Polarized Glasses, Hand-free Phone Answer/Call Music Function with Smarthpone Iphone5s, 6 plus for Riding Driving Fishing Running Gym and All Outdoor Activities (White) WOSPORTS S6 is a sport Bicycle Cycling sunglasses, adopted British CSR4.1 + EDR chip, it can improve the bluetooth data transmission, at the same time it can connect several bluetooth equipment Advanced stereo + CVC 6.0 de-noising technology can block outside noise, prevent auditory fatigue, whether it is in motion, walking or driving TAC have the function of explosion-proof polarized lens and has strong resistance to impact and permanent,which is one of the world's best lenses, TAC can protect the eye efficiency when hit accidently Headset magnetic adsorption design; Bluetooth yituo two connecting two mobile phone/digital devices at the same time; A key voice and music; shake motor prompt function;Voice call/answer the phone built-in rechargeable lithium ion batteries, cooperate with double power management chip, standby can be up to 10 days, call time is 8-9h and music time is 8-9h