Acefast Portable Speaker K2 Air

ACEFAST K2 Air portable wireless speaker, a compact powerhouse delivering room-filling sound with 40W peak power from two 20W drivers. The built-in DSP processor enhances clarity and bass for bold, immersive audio, while colorful RGB lighting adds a party-ready vibe. When you pair two K2 Air units via TWS, you get 360° surround stereo sound that turns any room into a home-theater–style setup for movies, music, or karaoke. With an IPX5 splash-resistant design and a shoulder strap for easy carrying, it’s ready to go wherever the day takes you. On the go you’ll enjoy long-lasting battery life—up to 10 hours of playtime from a 4400mAh cell, plus a quick 3-hour USB-C charge. It supports Bluetooth 5.3 for stable connections up to about 10 meters and offers flexible playback options, including USB flash drive playback. The speaker features two 2.75-inch drivers delivering strong midrange and bass, and convenient USB-C input for 5V charging (1A or 2A). Key Features - 40W peak power from 2x20W drivers for robust, punchy sound - TWS interconnection for 360° surround stereo and karaoke-ready vibes - DSP processor for rich sound and heavy bass - Bluetooth 5.3 with up to 10m range - USB flash drive playback support - Colorful RGB lighting for dynamic ambiance - IPX5 splash resistance for outdoors and travel - 4400mAh battery delivering up to 10 hours of playback - 3-hour USB-C charging - Shoulder strap included for easy portability - 2x2.75" speaker units for solid performance - 5V USB-C input with 1A/2A charging options Specifications - Product name: ACEFAST K2 Air portable wireless speaker - BT version: v5.3 - Transmission distance: ≥10m - Frequency response: 50Hz-20000Hz - Battery capacity: 4400mAh - Input: DC 5V⎓1A, 5V⎓2A (USB-C) - Charging time: 3 hours - Working time: 10 hours - Speaker unit: 2×2.75'' - Speaker power: 2×20W (peak power) - Size: 283×124×120mm - Weight: 1.85kg - Waterproof rating: IPX5 - Feature 1: DSP Processor - Digital Signal Processing technology - rich sound with heavy bass - Feature 2: Supports TWS interconnection for 360° surround stereo sound effect, creating a home theater-level KTV - Feature 3: Supports BT, USB flash drive playback modes - Feature 4: Colorful RGB lighting - Feature 5: With shoulder strap