The Aiwa BS-100GY is a compact, square-shaped portable speaker designed for versatile audio playback. It connects wirelessly via Bluetooth v4.0, but also offers a PLL FM radio and an auxiliary input for wired devices. For those who prefer offline music, the integrated TF card slot supports storage up to 32 GB and plays a wide range of formats, including MP3, WMA, WAV, APE, and FLAC. Constructed from durable ABS plastic, the device features a built-in microphone and a shock-resistant build to handle the bumps of travel. An integrated synthetic leather strap makes it easy to carry by hand, while the IPX4 splash-proof rating ensures it can withstand light water sprays. You can manage the sound levels using the tactile analog volume knob, and the 1000 mAh battery provides up to 6 hours of playtime after a 3-hour charge.