【Excellent Sound Quality】The Bluetooth headset uses high-quality speakers and a three-balanced strong acoustic configuration to provide lossless high and low bass parts, providing shocking stereo surround sound and a clear, natural and realistic audio experience.【Advanced Bluetooth Technology】This wireless headset uses an upgraded 5.3 Bluetooth chip to ensure fast transmission speed, high performance, low power consumption and enhanced sound quality.【Compact Design and Portability】The convenient earbuds are small in size and extremely light in weight, and come with a micro battery charging box, which is easy to carry and can be worn for a long time.【Smart Function】The in-ear Bluetooth headset has functions such as smart pairing, automatic Bluetooth connection when taken out, automatic pairing for the second time, and smart fingerprints that support various Bluetooth devices.【Long Battery Life and Fast Charging】It provides 5 hours of music playback time, takes 0.5 hours to charge, and has a battery capacity of 300mAh/40mAh.