Bluetooth 5.4: Built-in Bluetooth 5.4 chip realizes lossless audio decoding, 80% more connection signal, no need to worry about music/phone disconnection.

Hi-Res Audio: Pioneering 40mm diaphragm drivers produce clear, bright sound with strong bass. With the Hi-Res Audio, QCY H3 features a frequency response range of 40KHz, revealing every audio detail.

Hybrid Active Noise Cancellation: The Active Noise Cancellation depth can reach 43dB, effectively reducing environmental noise by 90%.

60-Hour Playtime: The QCY H3 Bluetooth headset has a battery life of 60 hours and a standby time of up to 300 hours. Listening to music all day without worrying about running out of electricity.

Wired/Wireless connections: H3 headphones support Bluetooth connection and 3.5mm audio cable connection. (Tip: The Hi res audio sound effect only exists when using an audio cable connection.)

Connect 2 Devices: QCY H3 over ear headphones can connect to 2 devices simultaneously, allowing you to watch movies on TV while answering calls without switching.

Easy to Carry: This earphones can be folded to the size of the palm of the hand. Very lightweight, easy to carry and go out.