Features: Built-in 1800mAh rechargeable battery,long for play for time up to 8 hours. It is a new for creative desktop stand bluetooth-compatible speaker, which creatively combines the bluetooth-compatible speaker with the desktop phone stand. Made of environmentally friendly and non toxic ABS material, the overall pure black tanning process is shiny and elegant; The folding stand is simple and easy to carry; the square button is fashionable and tactile, which can control music playback and answer calls; Built-in 4Ω 3W diaphragm audio, bringing you subwoofer-style sound; with a 18650 battery, and an android phone charging cable can also be used for plug-in playback. Specifications: Material:ABS+Silicone Color:Black Size:Approx.133x89x45mm/5.24x3.5x1.77in Bluetooth-compatible Version:5.0 Battery Model: 18650 Charging Time:About 2Hours for Play Time:About 8Hours Speaker Power:4Ω 3W Package Includes: 1x Phone Stand note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.