Fangrui Product Details 1. Vj320 Bluetooth 5.0 Head-mounted Foldable Wireless Headphones Support Tf Card With Mic 2. : 3. 4 In 1 Multifunctional Bluetooth Headphones: Bluetoothe Headphones + Tf Card Music Player + Wired Headset+fm Radio. Buy 1 Product, You Get 4 Function. (note:tf Mode Only Support For Mp3 Format.) 4. Bluetooth 5.0 Chip Wireless Earphone, With Anc Foldable, Support Bluetooth &tf Card & Radio 3 Mode Earphone 5. Battery Life: Playing Time Up To 12 Hours, And Continue Talk Time Up To 8 Hours, Standby Time Up To 150 Hours. 6. Advanced Compatibility : Support All Audio Devices That Have Bluetooth Capability, Such As, Ios Android Huawei Xiaomi Cell Phone , Tablet , Pc, Laptop, Computer Etc. 7. Over Ear Soft Memory Protein Ear Cushions, Comfortable To Wear, Can Provide 10h Playback Time For Bluetooth Wireless, Hi-fi Sound And Fascinating Bass Dual 40mm Drivers Provide You With Deep And Accurate Bass Response, Making The Sound Clear, Powerful And Kept In Isolation Design Helps You Enjoy Music Better 8. Hd Microphone: The Hd Microphones Enable You To Conduct Crystal-clear Conversations Without Picking Up Your Phone. 9. Choice For Listening Music, Watching Movie, Chatting Online Etc.and Also It Is Good Choice For Gifts 10. Product Parameters: 11. Product Numbers: Vj320 12. Playing Time: 12 Hours 13. Switching Method: Bluetooth Wireless Tf Card 14. Transmission Distance: About 10m 15. Bluetooth Version: Bluetooth 5.0 16. Bluetooth Call: Standby 17. Standby Time: About 200 Hours 18. Battery Capacity: 400mah 19. Color Box Size: 18.5x17.5x 8.5cm 20. Single Weight: 358g 21. Bare-metal Weight: 210g 22. Packing List: 23. Earphone X1 24. Audio Cable X1 25. Usb Cable X1 26. User Mune X1