ACEFAST K15 Air portable wireless speaker（6W）

Sound Configuration: Houses a single ø45mm full-range speaker combined with a ø45mm passive radiator for distinct mids and punchy low-end response. 

Power Thresholds: Operates at a 6W rated output power, capable of reaching a 12W peak power for balanced sound delivery. 

True Wireless Stereo (TWS): Supports TWS pairing mode, allowing you to link two K15 Air speakers simultaneously to form a wider left/right stereo channel. 

Cell Capacity & Playtime: A 1200mAh lithium battery yields up to 9 hours of continuous music playback or 12 hours of talk time (tested at 50% volume with lighting off).

Rapid Top-Off: Recharges completely in about 2.5 hours via USB-C. A quick 10-minute charge provides up to 2 hours of playback at half-volume.

Wireless Standards: Utilizes highly efficient Bluetooth 6.0 connectivity (SBC codec) for a stable wireless boundary of over 10 meters.

Local Playback: Includes an integrated micro TF/SD card slot supporting storage drives up to 32GB (MP3 playback format). 

Extreme Weatherproofing: Rated with an IPX7 waterproof certification, allowing it to withstand downpours, heavy splashing, or brief submersions in water.

Atmospheric Visuals: Features 8 distinct RGB dynamic lighting effects built into the chassis; a quick double-tap alters the visual rhythm to match your ambient mood.

Form & Materials: Handcrafted with a durable ABS frame and an elegant fabric grille finish. It occupies a compact footprint of 120 × 71 × 66mm and weighs an easily packable 280g.

Integrated Calls: Implements single-microphone AI-powered Environmental Noise Cancellation (ENC) to scrub background noise, keeping voice calls clear.