OYROOM T600 2 in 1 Bluetooth Car Charger + Earphone1. Multifunctional: 2 in 1 car charger + earphone, hands-free call and call LED lighting flashing functions. 2. 2.1A fast charging speed, can fully charge your devices quickly. 3. High compatibility, compatible with most of cars, pickups or SUV, charger for mobile devices with USB charging cable, such as mobile phones, tablets, MP3, MP4, PSP, DV, DC, etc. 4. Anti-oxidation treatment circuit design with long life expectancy. 5. Tiny and compact shape, lovely apperance, easy to install and use. 6. Equipped with 35mAh battery, it takes 2 hours to fully charge the bluetooth earphone. After fully charged, the earphone can be used to talk for 3 hours or listen to music for 2.5 hours. Perfect collocation to meet your daily calling or listening to music needs in your car. 7. Bluetooth 4.1 version, support two bluetooth devices connect synchronously. 8. High quality scratchproof material, durable and function.