Baymart Musky Bluetooth Speaker Speaker with aptX Lossless, crystal clear sound with no distortion or static, it can play the most authentic music for you, perfect for kitchen, living room, or classroom, porch, patio, garage, workshop and party, It is ideal for personal usage, indoor party or outdoor BBQ or picnic with friends and family. Allowing you to enjoy a wonderful music life. Specifications: Mode: USB flash drive / Micro TF/SD Card / Bluetooth / FM Radio / Aux 3.5mm Line-In Speaker: Dual Channels Stereo Audio Driver Power: 10W Support File: MP3 / WMA / WMV Support Drive Format: FAT, FAT32, exFAT formats, (not NTFS). You can format USB device into compatible formats with a computer Max Play Time: 8-10 hour Charge Time: 3-4 hour Battery Capacity: 2200 mAh 3.7V Handsfree microphone Yes MP3 Bit Rate: 8 kbps – 320 kbps SNR: 70dB Working Temperature: -5℃ to 40℃ Bluetooth Range: Up to 33FT / 10 Meters