Features: Shocking effect and the deformed magnetic fluid rhythm bring you a visual and auditory feast. Wireless bluetooth-compatible 5.1 version audio player, wireless range about 80ft, for laptop, phone, MP3, personal computer, etc, for smart operation makes life more convenient. 304 Metal pearl gray paint surface, 304 mirror surface on the back, exquisite appearance, fine workmanship, stylish and modern. Portable bluetooth-compatible speakers, built-in lithium-ion battery, long lasting working for time allows you to enjoy up to 8 hours of for play for time. It can be used as a gift for your best friends, family, kids and surprise them with immersive sounds and rich . Specifications: Material: solid wood+aluminum alloy+304 metal+magnetic fluid Color: white, for grey, pink(optional) Size: Approx. 25x22x22 for cm/9.84x8.66x8.66 inch Frequency response range: 100HZ-20KHZ Signal-to-noise ratio: 75dB Power Supply: 12V Built-in Battery: Yes, Lithium-ion Battery Bluetooth-compatible Version: BLE 5.1 Bluetooth-compatible Detection: A2DP/AVRCP Receiving Distance: about 25m/82ft Number of Speaker: 2 Output Power: 50W Working Time: 8h (after fully charged) Light Color: Warm White Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you mind. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Magnetic Fluid Speaker