Portable speaker Adler AD 1903, 2×5 W, Bluetooth, FM radio, LED, 1500 mAh battery, AUX, USB, black

Adler AD 1903 is a freestanding portable speaker with two 5 W drivers, Bluetooth wireless streaming, FM radio, AUX‑in and USB connectivity. The speaker includes built‑in LED illumination and a 1500 mAh rechargeable battery that provides up to 8 hours of runtime. Its compact dimensions make it suitable for everyday home use or outdoor listening.

Advantages

The device combines multiple input options — Bluetooth, USB and AUX — with FM radio reception and integrated LED illumination. A built‑in 1500 mAh battery allows cordless use for several hours, while a compact freestanding design and 2×5 W speakers deliver clear sound for general-purpose listening.

Suitable for

• Listening to music at home
• Outdoor and portable use
• Hands‑free playback from Bluetooth devices
• Playing audio from USB drives or devices via AUX cable

Key specifications

• Speaker configuration: 2 drivers, total power 2×5 W
• Wireless connectivity: Bluetooth
• Wired inputs: AUX‑in, USB
• Radio: FM tuner
• Illumination: Built‑in LED
• Battery: Built‑in rechargeable battery, 1500 mAh, up to 8 hours runtime
• Power source: Battery and USB
• Dimensions (W×H×D): 170 × 375 × 170 mm
• Installation: Freestanding

How to use

Charge the built‑in battery via the USB port before first use. Turn the speaker on and select the desired input mode: Bluetooth for wireless streaming, AUX for wired connection, USB for playback from a drive, or FM for radio. Adjust volume and illumination using the device controls. When the battery is low, connect the speaker to a power source using the USB cable to continue use while charging.

Recommendations

For best battery life, fully charge the 1500 mAh battery before extended use and avoid leaving the speaker unused for long periods at full charge. Use AUX or USB connections when Bluetooth range or interference may affect playback quality.