High Quality Material: The wireless BT speaker is made of ABS material, which is sturdy and durable, ensuring that it can be used for a long time. BT 5.0: This portable wireless BT speaker adopts BT 5.0, with stable connection and good performance. Portable: The portable BT speaker is small and practical, easy to carry, can be carried around, and convenient to use. Bass: Strong welding sound quality effect, super heavy bass, support for external input functions such as MP3, MP4, computer. Multi Function: Support MP3, WMA format music files, support memory card, BT with calls, file playback. Product Turn on the power switch, connect the BT to your mobile phone, you can use it Specification: Item Type: Speaker Material: ABS Wireless Standard: BT 5.0 Transmission Distance: 10 Meters Output Speaker: 4 Ohm 5W Input Sensitivity: 400MV Separation: >90dB Signal to Noise Ratio: 80dB Working Voltage: DC3.7V Built In Lithium Battery Capacity: 1500mAh (Included) Battery Working Time: 4-5h Power: 5W Package List: 1 x Speaker 1 x Manual 1 x Charging Cable 1 x Cable