Wireless gaming in-ear headphones in Super Mario design. In-ear gaming headset for children with a compact design and ear tips in two sizes for the perfect fit. Frequency response: 20 - 20,000 Hz, impedance: 32 Ω. Battery life: up to 6 hours, standby time: up to 180 hours, range: 10 meters. Charging time for the earbuds: approximately 1.5 hours, charging time for the case: approximately 1.5 hours. Convenient connection via Bluetooth 5.0, smart touch control on the ear cup. In-ear headphones are the ideal companion. They are inserted directly into the ear canal, creating a pressure chamber effect that allows for a powerful sound experience without having to turn up the music too loud. This protects your ears while also extending the battery life of your playback device. Additionally, in-ear headphones have excellent noise-canceling properties, allowing you to perceive disturbing ambient noises much less. Thanks to their compact size, they can be easily stored in any pocket, making them perfect for on-the-go use.