Sound quality: HD sound quality + bass boost
Speaker: 16.2mm vibration speaker
Material: titanium alloy, aviation grade PVC material
Waterproof grade: IPX5.
Anti-drop height of earphones: 1.5 meters, tested at a height of 1.5 meters on the concrete floor, 3 times from 6 different angles, no obvious scratches on the earphones, and the earphones can be used normally
Bluetooth version: 5.3