1. Product Name:Wireless sports headphones 2. Material: Plastic 3. Weight: 105g 4. Color: green, blue, royal blue, white, black, gray 5. Size: charging compartment 43.8*56.1mm, earphone 42.5*15.6mm 6. Battery capacity: 3.7V/35mAh 7. Power input: DC5V 8. Transmission distance: greater than 10m 9. Product Features: 1) Wear the ear comfort, not easy to slip, and wear it securely 2) surround sound, high quality sound quality