Panasonic RP-BTS10-R WINGS Bluetooth Sport Earphones Red Compact, ultra-light Bluetooth Sport earphones for strenuous Gym workouts, sports and running outdoors on roads and trails; IPX-2 rated for sweat and moisture resistance Earphones stay comfortably in place while exercising; a Quick-fit adjuster creates a personalized fit on the back of the head and flexible, soft rubberized hanger clips ensure proper ear placement High-quality 14.3mm neodymium drivers deliver high-end treble and Deep, resonating bass with Panasonic bass boost design Inline mic/controller Instantly adjusts voice and music volume, changes tracks and switches seamlessly between phone calls and tunes; syncs effortlessly with all your Bluetooth devices Lightweight, rechargeable battery provides up to 4 hours, 20 minutes of continuous playback when fully charged; a single 20-minute quick charge provides up to 1 hour of clear, dynamic sound. Connectivity Technology: Wireless-Bluetooth