Enjoy the ultimate in listening! for Monster True Wireless Bluetooth Earbuds for Switch between master and slave earbuds and listen instantly. Both earbuds automatically connect when removed, eliminating the need for re-pairing. Stable sound transmission and continuous connectivity. IPX5 waterproof technology protects against sweat and splashes during exercise. IPX5 waterproof, ensuring a comfortable workout. Fold in two ways to see the back of your earbuds! Folds both front and back for a more comfortable experience. Compact design for easy portability. Titanium alloy memory metal case. Skin-friendly soft rubber for long-lasting wear without pain or fatigue. Model: AC530 Charging case battery: 300mAh Transmission distance: 210m Talk time: 6-8 hours Charging case charging time: 1.5 hours Product color: Black, cream white Bluetooth version: V6.0 Earbud battery: 50mAh Earbud charging time: 1 hour Speaker size: 14.2mm Play time: 7-12 hours Waterproof rating: IPX5