Wheelerz 25W Trolley...

Legendary sound designed to never exceed 85dB making them safe for even the youngest music fansCustom designed ear cushions and headband with cool colorsHelp your kids stay connected to the world with the built-in micSoft padded headband and ear cushions give a feathery fit on small headsSoft ear cushions ensure comfort through prolonged hours of usage

Has the function of suppressing background noise, boosting low frequenciesLED display at the charging box has the digital charge indicator, mic sensitivity range is about -42dB?3dBBattery life is about 8 hours in active modeFast and stable connection through Bluetooth 5.0High quality of sound with strong bass due to 10 millimetres size dynamics

Stream your favorite tunes in super high quality thanks to bluetooth 5.0Built-in battery provides 16 hours of playing time15-minute recharge gets you 1 hour of playbackLossless wireless solution for your everyday usageFeature a flat tangle free cable and are lightweight enough to comfortably wear

Driver sensitivity range is about 1kHz/1mW (dB) with impedance 14 ohmsDynamic frequency response range is about 20Hz?20 kHzWith up to 25 hours 5 hours from the earbuds and 15 hours from the case of battery lifeBluetooth frequency range is up to 2.4-2.4835 GHzTransmitted modulations are GFSK, ?/4 DQPSK, 8DPSK and 55mAh 3.7V battery