EMERGENCY POWER RESERVE: The 1800mAh charging case doubles as a USB-C power bank, providing up to 30-35% extra battery life for your smartphone. ADVANCED CONNECTIVITY: Features Bluetooth 5.3 technology for stable, low-latency wireless connection and effortless device pairing. PREMIUM AUDIO: 10mm dynamic drivers deliver powerful bass and crystal-clear sound across all frequencies for an immersive listening experience. WIDE COMPATIBILITY: Pair easily with various devices for versatile use. PORTABLE DESIGN: Lightweight and comapct, make it easily fits in pockets or bags.