JVC HA-KD10W Blue/Yellow, Child-suitable, wireless stereo headphones, With hearing-protecting volume limiter, 85 dB volume limit, Wireless via Bluetooth, up to 16 hours operating time, Up to 10 m range, Child-suitable size, Wide headband, adjustable in seven sizes, Soft ear pads for high wearing comfort, On ear, 30 mm driver, Impedance: 20 Ohm, Sensitivity: 85 dB / 1 mW, Frequency range: 20 - 20000 Hz, Incl. Stickers for decoration of the earpiece or for easy child-suitable differentiation of left and right earpiece, Weight 110 g, Colour: Blue-yellow, Incl. Charging cable