Ce produit remplit sa fonction de manière fiable et est facile à utiliser.
Acer OHR690 Office Headset with Charging Base - Missing Bluetooth dongle
Product Details
Open box. Untested missing Bluetooth dongle. Model OHR690. Bluetooth 5.3 with 10m effective range. Impedance 32 ohm, sensitivity 92dB, frequency range 20Hz to 20kHz. Includes charging base, USB-C dongle, USB-C/A adapter, USB cable, storage bag, and user manual. Everything is in the box. This is the COMPLETE SET, not just the headset alone.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.




