These Bluetooth Headset and Sunglasses are a perfect combination of practicability and fashion. It can make you enjoy the freedom of wireless listening and hands-free talk. The perfect combination of durable and fashionable polarized lenses offers anti-glare and ultraviolet protection. Automatically switch to Phone talking mode when making and receiving calls. With previous/next song control, Volume Up/Down Control Bluetooth V5.0 supports Hands-free profiles. Built-in rechargeable lithium battery comes with USB Cable. Features :Operating frequency 2.4ghz-2.480mhzBluetooth V5.0 compliant Support music, continuously play music for 8 hours (actual test time)Support call: support call, with microphone, continuous call for 8-16 hours Wireless connection range: 10MTransmitting power: glass2Support headset & hands-free profiles Built-in rechargeable lithium battery 180MAH:Headset talk time: 30 hours standby time: 240 hours Charging time: 2-3 hours
