Have a happy shopping! Product Description: This Bluetooth headsetsunglasses is a perfectcombination of practicability and fashion. It can make you enjoy the freedom ofwireless listening and hands-free talk.Perfect combination of durable and fashion Polarized lenses, offers anti-glare and ultraviolet protection Auto switch to phone talking mode when making and receiving calls With PreviousNext Song control, Volume UpDown control Bluetooth V5.1, support both headset and hands-free profiles Built-in rechargeable lithium battery, comes with Mini USB cable Not only can answer the call, but also used to listen music. Compatible For PhonePCiPadPSPswitch and other Bluetooth devices.Specification: Color: Black Plastic material housing Frequency: 2.4~2.480GHz Bluetooth specification:V5.1 Built-in 200mAh battery Talk time: 6 hours Standby time: 100 hours Talking time:8 hours Range of wireless connection: 10 meters SN60dBPackage included: 1 x Black Headphone Sunglasses1 x Mini USB Cable1 x Instruction Manual1 x Glasses Case1 x Cleaning Cloth