Bluetooth Speaker, LERVING Portable Bluetooth Wireless Speaker, Enhanced Bass, Ultra Compact Size, Built-in Microphone - Silver Amazing Bass Sound: Built-in great sound and high-efficiency portable speaker monomer with 1x 5W driver, the enhanced bass resonator sound quality bring you suprising mega bass experiences. Ultra Compact Size: The portable bluetooth speaker fits easily into your pockets, bags or hold in hands (2.9-inch diameter, 1.3-inch high). Long Playtime: The rechargeable lithium battery offers you up to 6 hours of playtime, 30 hours of conversation and about 200 hours of standby on a single charge. Complete Compatibility: Pair smartphones, tablets, laptops and more via Bluetooth (up to 5 meters), or connect non-Bluetooth devices via AUX cable / SD card slot. Package includes:LERVING BTS-01 Bluetooth speaker, Charging cable, Audio Cable, Instruction Manual.