The wireless headphones feature V5.3 Bluetooth technology with an integrated microphone and have two different safe volume settings of 85 dB and 95 dB for the perfect volume setting in any environment. The built-in 500 mAh battery offers a battery life of up to 24 hours and is fully recharged and ready for use within approx. 2 hours via the USB Type-C charging cable included in the product. The Bluetooth headphones are suitable for children from the age of 3 and can be individually adjusted to any head size using the extendable adjuster. They are also lightweight, durable, foldable, flexible, swivelling and comfortable to use. The Bluetooth range is up to approx. 10 metres and an additional 3.5 mm jack cable is included.