AK2518 Bluetooth LED Music Spectrum Display Light Speed Adjustable Level Indicator Amplifier Board DIY Kit with 3.5mm Audio Cable

Specification:
Product Name: Bluetooth LED Music Spectrum Display
Material: PCB + ABS + acrylic front cover
Color: Black
Operating Voltage: 5V (USB Type‑C power input, ≥1A)
Audio Input: On‑board microphone / 3.5mm line in / Bluetooth input
Frequency Range: 20Hz – 20kHz (50–4kHz crossover mode & 50–20kHz full‑range mode)
Panel Size: approx. 262 × 50 × 21 mm

Features:
1. Three working modes: built‑in microphone pickup, 3.5mm audio cable input, and Bluetooth audio input.
2. Clock function shows time and date alternately, creating a visual music desk clock.
3. Left/right channel level display or mixed single‑window display selectable in the menu.
4. On‑board Bluetooth module and audio output port for use as a front‑end audio signal device.
5. New menu structure with front buttons for quick mode, brightness and display adjustments.
6. Acrylic frequency‑scale front panel (50–20K markings) for clear visual frequency indication.

Package Includes:
1 x Bluetooth LED Music Spectrum Display
1 x Acrylic front sheet with protective film
1 x 3.5mm male‑to‑male audio cable
1 x USB‑A to USB‑C power cable
1 x 3.5mm male to dual‑female adapter cable
1 x Bag of screws