1. With low power consumption technology, 300 mAh battery for 12 hours of continuous music playback2. Stunning audio experience with 2 x 40mm subwoofers for immersive gaming/music experience3. Support BTS wireless connection for mobile phone/laptop/ipad/PC, support 3.5mm AUX audio input4. Foldable design, easy to fit in your backpack, compact size for listening to music anywhere, anytime outdoors5. Wireless headphones made of high quality materials, adjustable headband makes it easy to fit all head sizes without pain The softest and most comfortable viscoelastic protein ear cups will protect your hearing for a long time.