Features:1.Comfortable to Wear: No in-ear design required, multi-point support, even when you do strenuous exercise, you do not have to worry about it will shift and fall off. 2.Bluetooth-compatible 5.0 Chip: Effectively solve the headset and Android connection instability, faster and more stable connection, and more compatible. 3.Long-lasting Battery Life: The charging compartment combines charging and storage, and intelligent display of power, the headphones can continue to listen to songs all day when fully charged. 4.9D Stereo Bass: Powerful and powerful sound producing unit, the cavity structure is polished in multiple layers to give you a shocking enjoyment. 5.After-service: If you have any questions after receiving the product, please feel free to contact us and we will provide you with a satisfactory answer. Specification: Bluetooth-compatible Version: 5.0 Transmission Distance: 10m Headset Capacity: 70mAh Charging Compartment Capacity: 500mAh Input Voltage: 5V