These BT earbuds feature a 13MM large moving coil, With a long battery life, you can enjoy over 15 hours of continuous music. The IPX4 waterproof design makes it sweat, rain, and splash resistant, perfect for sports. Compatible with a wide range of devices including mobile phones, pads, laptops, and more. Features: 13MM Large Moving Coil: Delivers rich and delicate sound quality, immersing you in the world of music. BT 5.3 Chip: Ensures low power consumption, stable connection, no lag, and noise reduction for calls. Long Battery Life: Enjoy over 15 hours of continuous music, making your musical journey uninterrupted. IPX4 Waterproof Design: Sweat, rain, and splash resistant, making your sports activities worry-free. Wide Compatibility: Works with a wide range of devices including mobile phones, pads, laptops, and more. Specifications: Material: ABS Colour: Black or white (Optional) Battery Life: 5 hours Charging Time: 1 hour Standby Time: 120 hours BT Chip: 5.3 BT matching name: AP26 Transmission distance: 10M Battery type: polymer battery Headphone battery capacity: 30mah Charging and battery capacity: 200mah Call duration: 4. 5 hours Number of times the charging box can be charged: 2 times Control method: touch Charging Compartment Size: 5.5x4.4x2.5cm or 2.2x1.7x0.96in Bare metal weight: 40g or 1.41oz Package Size: 10x8x3cm or 3.9x3.2x1.2in Package Weight: 70g or 2.47oz Package List: 1xEarbuds 1xCharging Case 1xUser Manual 1xCharging Cable