[RGB LED Lights & Hearing Protection]: Give RGB light to the music/phone call with the bluetooth kids headphones. Just and hold for 2 seconds the "Telephone" button to turn on the lights, which pulse to the rhythm of the songs. Let your child become a shining star! Built in volume-limiting circuitry keeps the sound below 94dB to protect your child's hearing. [Bluetooth 5.0 Connection& Built-In HD Microphone]: No more worries about the tangled wired headphones. cat ear kids wireless headphones adopts the latest Bluetooth 5.0 to making connections more stable. Play, pause, next/previous song, answer, and end phone calls with of button. The built-in HD microphone of kids bluetooth headphones allows you to make calls and recording sound easily. [ Using]: It takes only one hour to fully charge and can be used continuously for 40 hours. When the headphones are out of power, you can use the audio cable to listen to songs. [Memory-protein Ears Pad & Foldable and Adjustable]: Memory protein ear cushions are very comfortable and breathable for children's ears. The important thing is that it help children's memory. The adjustable headband allows the child to adjust to a comfortable position to put on the headphones. Colour:Green Material:plastic Package Contents: 1 x Headphones Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.