1. True bone conduction Swimming earphones IPX8 professional waterproof, no sense of wearing, comfortable and passionate Swimming series 2. High-energy flagship performance upgrade After years of research and design The wearing experience, sound effects, sound leakage and safety have been greatly improved, and the waterproofness and built-in memory have been upgraded 3. IPX8 level Industry flagship true IPX8 waterproof Waterproof level reaches the international industrial standard IPX8 level Can go 20 meters underwater 4. No external speaker for calls True bone conduction, no sound leakage, sound insulation, noise reduction and anti-external speaker Streamlined sinking design, fits the ear shape, 360° closed cavity effectively reduces sound leakage and avoids sound leakage disturbance 5.300H Ultra-long battery life, can listen to music continuously for 10 hours Low-power micro-motion technology, combined with low-power chips, makes the headphones last longer, can listen to music continuously for 10 hours, standby for 300 hours, let music accompany sports moments, crazy all day Speaker type: bone conduction vibrator Device weight: 25g Standby time: 300 hours Input voltage: 120mA 1.2A Bluetooth version: 5.3 Charging time: 2 hours Built-in memory: 32G Battery capacity: 200mA Color: black/white orange/red and black Material: memory titanium alloy Single set weight: 100g Packing method: boxed Single set contains: earphone*1 data cable*1 instruction manual*1