Waterproof :These headphones are waterproof, making them perfect for outdoor activities and workouts. • Bluetooth 5.0 :With Bluetooth 5.0, these headphones provide a stable and fast connection to your device. • In-ear Style :The in-ear style of these headphones ensures a comfortable fit and helps to block out external noise. • Volume Control :These headphones do not have a volume control, but you can easily adjust the volume of your music or calls from your device. Pro 4 TWS wireless headphones earphone Bluetooth-compatible 5.0 waterproof headset with mic for Xiaomi iPhone Pro4 earbuds Feature: 1. Listening to songs and calling, support listening to songs and calling, 2. Caller ID, call back, all-intelligent Chinese and English prompt tone, power on, pairing, power off, etc. 3. Every time the Bluetooth headset is connected to the mobile phone, the Bluetooth headset will automatically connect to the mobile phone after it is turned on, which is convenient and fast. 4. Smart Compatibility: Support all mobile phones, tablets, notebooks, etc. with Bluetooth function. 5. Bluetooth 5.0 6. Automatic power on/automatic shutdown 7. Binaural call 8. Previous song, next song 9. Support daily waterproof and sweatproof (does not support flushing and soaking)