About this item【OPEN-BACK DESIGN FOR COMFORT AND SAFETY】 - Lightweight wraparound frame and wireless open-ear cups provide a snug fit around the earbones, reducing ear fatigue and pain during extended listening sessions. This design also allows you to maintain awareness of your surroundings for a safer outdoor experience while enjoying your music.【IPX8 WATERPROOF & SWIM-READY】 - These earphones are professionally designed to be IPX8 waterproof, sweatproof, dustproof, and moistureproof. Tested to withstand depths of up to 99 feet underwater, they're perfect for swimming and worry-free use during rainy workouts. Enjoy a secure fit that keeps the earphones in place, boosting motivation and enhancing your workout experience.【EQUIPPED WITH DIGITAL DISPLAY】 - Equipped with an LED digital display screen, after turning on, it will display the remaining power and listening mode (Bluetooth mode or MP3 mode), which is more clear at a glance. The latest Bluetooth 5.4 chip can improve performance, stable and fast connection and enhanced sound quality.【10-HOUR BATTERY LIFE】 - Enjoy 10 hours of continuous music/talk time and 300 hours of standby time. Fully charge in just 2 hours with a magnetic, waterproof charging interface. Made of memory titanium alloy, the headphones are 360° bendable, compression-resistant, flexible, and durable. Compatible with all mobile phones, Android, iOS, and Windows Bluetooth