FeaturesiOS / Android compatibleBattery life: up to 12 hoursRemote / volume controlIdeal for children with Active Volume Limiter7-step length adjuster for the best fitTINYPHONES are created for kids by JVC. The JVC HA-KD9BT Kids Wireless Bluetooth Over-Ear Headphones allow kids to play around freely without any interruptions.FreedomHA-KD9BT have no wires, so kids can move around freely. The Active Volume Limiter reduces sound pressure levels to 85dB. TINYPHONES protect kid’s ears from loud music.ComfortableThe HA-KD9BT are lightweight with soft earpads and a 12 hour battery life; perfect for long periods of use.FlexibleThe headband length is adjustable with a 7-step memory. This ensures the best and comfortable fit to the child’s head. The headband is both flexible and durable even when pulled by kids.PersonaliseThe headphones are available in 2 colour variations. The included stickers create a personalised and unique set of headphones. The wide headband can be creatively decorated!