(first-generation metal portable speaker)
Model: MDZ-15-DA
Bluetooth: Bluetooth 4.0
Battery: Built-in rechargeable lithium battery (around 1,500 mAh)
Charging: 5V ⎓ 2A via Micro-USB
Output power: Approximately 2 × 3W stereo speakers
Features: Bluetooth music streaming, built-in microphone for hands-free calls, AUX input (on most versions), and a premium aluminum body.
Sound quality is good.
The speaker appears to have a loose battery or an internal component that moves when shaken.
Works, but may require a minor repair to secure the loose part.
Cosmetic condition is good with normal signs of use.