Features 1、【Premium Material /u0026 Brilliant Sound Quality】: It is made of premium material, which is not only beautiful and wear-resistant, can provide long service lifespan. It provides pure high sound quality, pure and transparent treble, gentle and delicate midrange and shocking bass effect, restore sound details, provide an immersive music experience. 2、【Multiple Audio Input Ways】: Supports multiple audio input modes. Supports BT 5.1 technology, which can be easily connected to mobilephones, tablets, and other devices for wireless playback. 3.5mm AUX input jack, which can be connected to the TV, computer, and other devices. Support U-disk decoding function, it can plays your favorite music directly via U-disk when there is no other device. With fast response connection, signal transmission without delay and lag, breaking space limitations, and enjoy the fun of wireless transmission. 3、【Knob Control /u0026 Colorful Light】: With a multi-function knob design, provides finer sound effect adjustment, 10 levels of volumes indication makes the volumes control more intuitive, easy to operate. With colorful light, 4 levels of brightness adjustment, 2 rhythmic modes to choose, adding visual enjoyment of music. 4、【Mobilephone Sinilink APP Control】: In addition to manual operation, the amplifier also supports remotely control functions, users can control it remotely via the Sinilink APP. Support BT name modification, connection password setting, beep switch, sound effect customization and U disk playlist view, more convenient operation. 5、【Multiple Protections】: It has built-in multiple protecting mechanisms, including over-voltage, over-current, short-circuit, and overheating protections. These protecting mechanisms ensure that the product is more reliable and stable during use, providing a safer experience. Specification This 15W+15W BT audio amplifier has superior performance and multiple functions for various occasions. Support multiple audio input methods, such as BT 5.1, 3.5mm AUX input, and U disk decoding. Multi-functional knob design, easy to use. Support Sinilink mobilephone APP control. Built-in multiple protecting mechanisms, reliable quality, safer to use. It is not only beautiful in appearance, but also outstanding in performance and function. It will bring users quality sound enjoyment and meet their expectations for convenient operation and safety performance requirements. Features: 【Premium Material & Brilliant Sound Quality】: It is made of premium material, which is not only beautiful and wear-resistant, can provide long service lifespan. It provides pure high sound quality, pure and transparent treble, gentle and delicate midrange and shocking bass effect, restore sound details, provide an immersive music experience. 【Multiple Audio Input Ways】: Supports multiple audio input modes. Supports BT 5.1 technology, which can be easily connected to mobilephones, tablets, and other devices for wireless playback. 3.5mm AUX input jack, which can be connected to the TV, computer, and other devices. Support U-disk decoding function, it can plays your favorite music directly via U-disk when there is no other device. With fast response connection, signal transmission without delay and lag, breaking space limitations, and enjoy the fun of wireless transmission. 【Knob Control & Colorful Light】: With a multi-function knob design, provides finer sound effect adjustment, 10 levels of volumes indication makes the volumes control more intuitive, easy to operate. With colorful light, 4 levels of brightness adjustment, 2 rhythmic modes to choose, adding visual enjoyment of music. 【Mobilephone Sinilink APP Control】: In addition to manual operation, the amplifier also supports remotely control functions, users can control it remotely via the Sinilink APP. Support BT name modification, connection password setting, beep switch, sound effect customization and U disk playlist view, more convenient operation. 【Multiple Protections】: It has built-in multiple protecting mechanisms, including over-voltage, over-current, short-circuit, and overheating protections. These protecting mechanisms ensure that the product is more reliable and stable during use, providing a safer experience. Specifications: Name: BT Audio Amplifier Material: printed circuit board BT version: 5.1 Supplying voltage: 8-24VDC, 3A Audio input: BT +AUX+U disc Protecting mechanism: over voltage, over current, short circuit, overheating Remotely control function: Sinilink APP Item size: 52 * 52 * 32mm / 2.05 * 2.05 * 1.26in Item weight: 43g / 1.52ounce Package size: 55 * 55 * 35mm / 2.17 * 2.17 * 1.38in Package weight: 65g / 2.29ounce Packing List: 1 * BT Audio Amplifier 1 * Screwdriver 1 * Connector Package List 1 * BT Audio Amplifier 1 * Screwdriver 1 * Connector