Leadzm Bluetooth Speaker, HD Sound Pulse Wireless Bluetooth Speaker with Dynamic LED Lights Bluetooth TF Card USB FM 3.5mm Jack Built in Mic Featuring rich, robust sound and Dynamic LED lights, this speaker is ideal for small parties and get togethers. Time: Charge 3 Hours, Playing 5 Hours Frequency Response: 105-20KHz Delivers full-range sound, making the speaker great for outdoor gatherings or small parties.