Acefast K2 AIR Portable SpeakeR
| Specifications | Details |
| Model | ACEFAST K2 Air Portable Wireless Speaker |
| Bluetooth Version | v5.3 |
| Transmission Distance | ≥10 m |
| Frequency Response | 50Hz – 20,000Hz |
| Battery Capacity | 4400mAh |
| Input Power | DC 5V⎓1A / 5V⎓2A (USB‑C) |
| Charging Time | 3 hours |
| Play Time | 10 hours |
| Speaker Units | 2 × 2.75 in (Full Range) |
| Output Power | 2 × 20W (40W total peak) |
| Dimensions | 283 × 124 × 120 mm |
| Weight | 1.85 kg |
| Water Resistance | IPX5 |
| Features | DSP audio processing • Strong bass • TWS pairing • RGB lighting • Bluetooth/USB playback • Shoulder strap for portability |
| In the Box | Speaker ×1 • Shoulder strap ×1 • USB‑A to USB‑C cable ×1 • User |
| Brands: ACEFAST |
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