* Open Ear Speaker Wireless Bluetooth Sunglasses              
* Music or Sound Come Out from Both Arms (Earphone Accessory Used when Neeeded                                                         
* CSR Bluetooth High-end Chipset
* US Safety Lens Standard ANSI/ISEA Z87.1-2015 Impact Resistant for Eye and Face Protection Devices
* 100% UV Protection Polarizend Lens and FDA Audited
* Sweatproof Circling Sports Bluetooth Sunglasses
* Perfect Combination of Bluetooth Headphone and Sunglasses
* Transmit Distance: 30ft
* Built-In Bluetooth 4.0 Speakers, Smart Assistant Voice Command,
* Voice Dailing from Your Phone List
* Speak for Directions, Weather or Traffic Updates
* Speak to Play Music from Your Favorite App Stations: Pandora ,Spotify
* Bluetooth Sunglasses Compatible for All Android and IOS
* Bluetooth Protocol:Headset;Hands-free A2DP;BLE;SPP
* Listening Music for 3 hours by Open Ear Speaker
* Listening Music for 6 hours by Wired Earphone
* Charging Time: 2 Hours by USB Cable
* Working Temp:-5℃ to 40℃
* Storage Temp:-20℃ to 60℃