Mixcder X1 Pro UV Sterilisation Bluetooth 5.1 TWS Earphones with CVC 8.0 Noise Cancellation AptX IPX7 Waterproof Mixcder X1 Pro UV Sterilisation BluetoothQualcomm chip with aptX technology: Qualcomm apt X-Audio is a bitrate-efficient technology that ensures you receive high quality audio from your Bluetooth device and give you an even greater sound stage, less noise, and a higher dynamic range than ever before.【 UV Cleaning Charging Case】- You can keep these wireless earbuds as fresh as your workout beats. Simply place the earbuds in the charging case and the built-in UV sterilisation lamp removes bacteria every time the charging case is closed.IPX7 waterproof design: IPX7 waterproof, meaning they are resistant to long-lasting soaking. Sweat heavily, train in the rain or immerse in water up to 1 meter for 30 minutes.Bluetooth V5.1: The latest updated transmission speed for Bluetooth V5.1 in dual mode is twice as high as for the Bluetooth 4.2 version. The transmission range is quadruple than Bluetooth V4.2.50 hours playtime and support fast charging: with the charging case, you get up to 50 (10 + 40) hours of total play time. And equipped with an LED indicator to show the power status of the charging case. The power supply is available at any time. These Bluetooth earphones support fast charging. Charge it for 15 minutes. You can use an additional 1.5 hours.5.1 TWS Earphones with CVC 8.0 Noise Cancellation, AptX, LED Display, IPX7 Waterproof, USB-C Quick Charge, 50 Hours Playtime with Charging Case