HD SURROUND SOUND & STEREO BASS - Though Small in Size, still Play it Loud. mini speaker features full-range high-performance driver, better than a speaker. Upgraded high-performance driver and a passive subwoofer providing louder and impressive Hi-fi sound. Minimalist design, user-friendly, suitable for every age level which is a great-sounding gift for anyone on your list. FROSTED METAL SHELL, STURDY AND DURABLE - The bottom of the small speaker is made of silicone. The shell is made of aluminum alloy with frosting process, anti-dust and anti-fingerprint. The speaker has a metal grid for high sound transmission and corrosion resistance. SECOND-GENERATION BLUETOOTH 5.0 - This wireless speaker transmitted by A2DP technology, lower power consumption, faster transmission and lag-free calls compared to previous generation Bluetooth technology. And more energy efficient and environmentally friendly. LONG BATTERY LIFE & WIDE COMPATIBILITY - Mini Bluetooth speaker with built-in standard 600mAh rechargeable battery, half an hour of charge time with 1A charger equals 1-2 Hours of playing time. At the same time, this wireless speaker is compatible with multiple devices such as tablets, laptops, desktop computers, televisions and mobile phones. Small in size and equipped with a lanyard, it allows us to enjoy music at home theaters, parties, beaches, parks or anywhere else imaginable.