Sophisticated polarized lens can effectively keep the glare out of your eyes and protect your eyes from ultraviolet radiation. It will even make you see much clearer when you wear it under the sun.t is equipped with advanced CSR chip Bluetooth which helps you place or receive a call.Support answering the phone via voice, when an incoming call, after you hear the incoming number, you can say the voice "YES" to answer the phone, or say "NO" to hang up.One ear bug design, makes you more safe when wear them for riding or driving, you can hear road noise and carry on a conversation with your friendsPlaying musicIt can play stereophonic music with high quality sound, as well as change the songs and volume conveniently.
Bluetooth Version: V4.0 + EDR
Transmission Power: Class2
Radio Frequency: 2.402-2.480GHz
Transmission Distance: 10-15 meters
Charging Time: 2 hours
Holding Time: 12-15 hours(Standby time:200 hours)