Feature: 1. [Clear Sound] Equipped with two 76mm / 3in speakers, it can cover a range of 300㎡indoor, with clear and thick sound without noise, and easily control all kinds of music. 2. [MDF Material] Medium density fiberboard effectively eliminates bad resonance. The workmanship is meticulous, and every detail is carefully polished to ensure high quality life enjoyment. 3. [Stable Transmission and Connection] 0‑10m / 0‑33ft effective Bluetooth connection, Bluetooth 5.0 version, more stable transmission, intelligent fast connection, support for voice calls. 4. [Playback Mode] Bluetooth, AUX, and memory card playback can be freely selected to meet the needs of multi scene playback, and enjoy good music anytime, anywhere. 5. [With Lithium Battery] Built in 7200mAh lithium battery (included), low energy consumption, stable performance and can also be used while charging (common for charging head and mobile phone). 6. [Wide Compatibility] Compatible with Bluetooth devices such as phones, tablets, computers, etc., easy wireless connection and compatible with for Windows, for iOS, for Android and other systems. Specification: Item Type: Bluetooth Speaker Material: MDF Frequency Range: 90Hz-18KHz Impedance: 4Ω Bluetooth Protocol: 5.0 Built in Polymer Lithium Battery: 7200mAh (included) . Package List: 1 x Speaker1 x Charging Cable1 x Cable1 x Manual