1、Bluetooth 5.0 version can make the wireless headset connection fast and stable, highly compatible with smart phones, laptops, computers, TVs and many other bluetooth enabled devices, can be used for video chats, answering calls, online courses or streaming media. 2、It is designed with cute ears, patterns and flashing lights on the charming children's bluetooth headset, children's bluetooth headset adopts a 40mm/1.5in speaker unit to produce high quality sound, clean bass and crisp percussion, so that your music presents the best state. 3、In bluetooth mode, you can choose to turn off the LED blinking effect in order to reserve more battery for longer music playback, we increased the battery capacity to 400mAh, and the battery life is more than 15 hours, when the battery is exhausted, you can still use it through the audio jack. 4、The headset is designed with an adjustable headband, the soft padding ensures that it is very suitable for growing children, the foldable design makes it very suitable for putting in a bag, built in microphones, they also have high fidelity sound quality, which is very important for listening to music. 5、Earphones are very suitable for young children, teenagers, girls and adult women, it can be used in schools, online courses or air travel, streaming media, etc, and come with a 3.5 mm jack audio cable, you can use them as wireless earphones and wired earphones, especially when there is no power. Item Type: Cat Ear Headphones Material: ABS + PU Bluetooth: 5.0 Sensitivity: 108±3dB Speaker Unit: Approx. 40mm/1.5in Headphone Impedance: 32Ω Microphone Sensitivity: -42+3dB Frequency Response: 20-20KHz Transmission Distance: Approx. 15m/49.2ft Battery: 400mAh Lithium Battery (Battery Included in Delivery) Charging Time: 2 Hours Playing Time: 15 Hours Charging Voltage: 5V 2A 1 x Earphone 1 x 3.5mm Audio Cable 1 x Charging Cable