Tribit StormBox Micro 2 Portable Speaker: 90dB Loud Sound Deep Bass IP67 Waterproof Small Speaker Built-in Strap, 12H Playtime Long Battery Powerbank for Outdoor Camping Biking, 120ft Bluetooth Range

Best Bluetooth Speakers for 2023: Best value micro Bluetooth speaker - CNET
Size Defying Sound: Upgraded StormBox Micro 2 delivers explosive outdoor-audio more than any other speaker in its class. Specially designed 48mm NdFeB driver and integration of passive radiators plus exclusive XBASS technology reproduces a dynamic sound with an incredible bass range.
RunStretch Technology: This pocket-sized Bluetooth speaker come with a high-capacity rechargeable battery makes it a perfect outdoor companion for a full day activities. Great for travel and powered by RunStretch technology around 12 hours of playtime.
Two in One SmartID Technology: The StormBox Micro 2 doubles as a portable charger with Tribit's exclusive SmartID technology. Built-in powerbank with a water resistance USB-C charging port to charge your phone, tablet and other accessories.
Travel and Outdoor Friendly: Small enough to fit in your pocket, bold enough to be shown to the world with the integrated strap. The StormBox Micro 2 can be clipped to anything from your backpack to tree branches, bike handlebars, or a belt loop.
Never Lose Connection: Bluetooth 5.3 technology boasting a connection range of up to 120 ft, dramatically improves the transmission speed of your music, providing you with a low latency listening experience. Pair it with another StormBox Micro 2 speaker to enable Stereo Mode and enjoy more immersive sound indoors or out.