B4 RGB Cartoon Stereo Headset Wireless Bluetooth Headphones (Blue)

1. Bluetooth 5.1: Simple pairing and stable connection. Let your kids enjoy wireless music without worrying about tangled cables. 2. Use the included audio cable to connect the earphones to your device, you can still enjoy the music, even if the earphones have no power, the bluetooth mode will be turned off when the audio cable is plugged in. 3. Wireless Hands-Free Calling: Keep your kids on the phone with you when the headset is on, and is also an ideal online learning tool. 4. Rechargeable – built-in 400mAh: about 3 hours of charging can support about 8-20 hours of continuous playback. If the bluetooth mode is low on power, you can use the auxiliary cable to enjoy the wired mode. 5. Independent buttons: multi-button design, you can easily switch music, adjust the volume, and freely control play/pause. 6. Adjustable