Bluetooth headphones

- Control buttons: Play/Pause/Call/Answer, Volume Up, Volume Down
 - Built-in lithium battery (USB charging)
 - Built-in microphone, supports hands-free calling
 - Compatible with most Bluetooth-enabled smartphones: mobile phones, tablets, laptops, and desktop computers.
 -Material: Plastic and rubber
 - Dimensions: 12.5 cm x 13.7 cm x 5.85 cm