New Multifunctional Bluetooth Speaker 319 Wireless Subwoofer Card Insertion Gift Bluetooth Speaker Features: Enjoy high definition stereo sound with impre-ssive volume whether you're lounging, partying, camping, hiking or biking.Support Bluetooth. Support connecting your smartphone, laptop, tablet,audio device, etc. Supports music playback USB drives and cards, MP3 decoding, and full rate playback in MP3 format FM automatic search and storage. The built-in FM radio module can automatically search and store radio stations, saving and effort This Bluetooth speaker delivers Stereo sound with Abundant, tight Midtone and Crisp highs. Expansive sound is powerful enough to Full any room. Handheld, no matter where you go, it is very convenient to carry. Product Description: Specifications: Material: Plastic Size: 86 * 86 * 90MM Audio to noise : ≥ 95dB Battery capacity: 1200mAh Built in voltage: 3.7V Normal volume playback: 2H-4 hours Speaker specification: 52mm plus * 1 Horn power: 4Q/8W * 1 Frequency response: 120Hz-20KHz Charging input: 5V/500mA Including: 1x sound system