Enjoy the ultimate listening experience! Monster True Wireless Bluetooth Headphones offer instant switching between primary and secondary headphones for seamless listening. They automatically reconnect after being removed, eliminating the need for re-pairing. Stable audio transmission and long-lasting connection. IPX5 waterproof rating effectively protects against sweat and splashes during exercise. IPX5 water resistance ensures comfort during workouts. The headphones are foldable for easy access to the back! The front and back foldable design provides a more comfortable fit. Compact and portable. Titanium alloy memory metal shell. Skin-friendly soft rubber material for comfortable and pain-free wear for extended periods. Model: AC530. Charging case battery capacity: 300mAh. Transmission distance: 210 meters. Talk time: 6-8 hours. Charging case charging time: 1.5 hours. Product colors: Black, Beige. Bluetooth version: V6. Headphone battery capacity: 50mAh. Headphone charging time: 1 hour. Speaker size: 14.2mm. Playtime: 7-12 hours. Waterproof rating: IPX5.