Wireless Bluetooth Speaker Mobile Smart Speaker Outdoor Sports Portable Speaker Features: 5mm sound unit, restores the essence of music, lossless HIFI stereo sound effect, High-powered full-range speakers, output greater volume, range coverage up to 50 meters, no broken sound, bass output, clean and clear treble. Stunning dual speakers, 9D subwoofer sound, a combination of a 5W full-range speaker and two subwoofer enhancement units brings fascinating sound quality. Built-in high-speed 5.2 Bluetooth chip + LDS transmission technology, to achieve up to 950kbps audio transmission rate, A2DP technology, connection distance of about 32.8ft, stable transmission, fast connection. Independent multi-function button, simples operation, high sensitivity ring microphone technology button hands-free call, built-in high-definition microphone, clear and bright sound, hands-free call remote chat, a variety of playback modes, support Bluetooth, plug-in card, AUX multi-mode playback multi-device compatible, memory automatic type connected devices, without repeated operation. Battery life up to 24 hours, can be used while charging, charging 2 hours, listening to music for 4 hours. Product Description: Name: Bluetooth speaker Color: Black Size 3.14*1.37in Frequency Response: 100HZ-20KHZ SNR: 75db Distortion: