The 2.2 Ch Portable Wireless Speaker A30 by TENMIYA offers powerful sound and versatile connectivity with Bluetooth technology. This rectangular-shaped speaker is lightweight at 4.61 pounds and features a sleek black color made of plastic material. It has a 40W RMS power output and a battery capacity of 8000 mAh for on-the-go use. With audio inputs including AUX, USB, U Disk, and TF card, this portable speaker system also comes with features like five tuning controls, recording mode, remote control, and water-resistant capabilities for both indoor and outdoor use. Ideal for universal compatibility and a convenient portable design, this speaker is a great choice for music lovers on the move.