Come and see our amazing products. The Bluetooth+MP3 function supports stereo music playback and phone calls.Support all Bluetooth-enabled audio devices, such as mobile phones, tablets, laptops, computers, etc.3.5mm audio jack, providing simple wired connection of multiple devices without Bluetooth.Let you answer or reject calls anytime, anywhere.USB charging, rechargeable battery, convenient and practical.The playing time is about 10 hours, and the standby time is up to 120 hours.Good quality, foldable design and adjustable length hinge, very comfortable to wear and easy to carry.The best choice for listening to music, watching movies, online chat, etc.Insert an SD card, without any Bluetooth device, you can still enjoy music anytime, anywhere. Pls confirm with us about the packing info, stock color and exact production time before placing your order.