Description The KOLEER Portable Bass Wireless Speaker, Model H37, is a compact audio device featuring enhanced bass and wireless connectivity. It offers versatile music playback options including FM radio, USB, and MicroSD/TF card compatibility, all powered by a rechargeable battery. Overview KOLEER Portable Bass Wireless Speaker, Model H37. Features enhanced Bass audio. Designed with a portable form factor. Offers wireless connectivity. Includes FM Radio function. Supports USB playback compatibility. Compatible with MicroSD/TF card playback. Powered by a rechargeable battery. Product Information Product Name: Portable Bass Wireless Speaker Brand: KOLEER Category: Portable Speaker Model: H37 Power Source: Rechargeable battery Compatibility: USB, MicroSD/TF card