PORTABLE RADIO KITCHEN RETRO USB BLUETOOTH Function: 1. [Vacuum Pipe] This speaker uses customized vacuum tube, vacuum tube effect, durable, mild sound, supports memory card and U disk auxiliary output. 2. [With ambient lighting] High-quality bluetooth speaker, outdoor ambient lighting, retro design, create a unique experience and perfectly decorate your home. 3. [Good sound quality] DSP sound processing technology and electric sound integration technology adapt to the speaker structure to release the full original sound. 4. [Low latency] retro speakers provide Bluetooth 5.0 wireless transmission technology, high transmission efficiency and low latency, stable music playback via Bluetooth non-stop. 5. [Sensitive speaker] Using high-quality speaker materials, sensitivity is improved, the full spectrum of the sound signal is extracted and a shocking sound effect is exerted. Specification: Item Type: Bluetooth Speaker Material: ABS Bluetooth version: 5.0 Output: Bluetooth Memory Card U Drive AUX Output Interface: USB Rated Power: 5 W Frequency Response: 150Hz-20kHz Noise Ratio: 80dB Built-in lithium polymer battery: 1500 mAh List of packages: 1 x Bluetooth speaker 1 x Instruction 1 x sound cable 1x USB cable