Our wireless earmuffs are made of plush material, durable and practical for biking, hiking, skiing, running, hunting, and all winter outdoor activities. Keep warm while enjoying music and hands-free calls outdoors during winter or fall. Features - Color: Pink - Material: Plush - Size: 12 x 10 cm - Made of soft material for comfort against your ears - Wireless earmuffs provide warmth and deliver high-quality sound, with built-in microphone and smartphone connectivity - Earmuff headphones feature a compact, portable design - Minimalist and stylish design with discreet power and volume controls - Ideal for Christmas, winter, and holiday seasons to keep loved ones warm, stylish, and entertained Parameters - Wireless transmission distance: 10 meters - Headphone channel: Stereo (2.0) - Music playback time: Up to 10 hours at medium volume - Microphone distance: 1 meter - Standby time: 72 hours - Battery capacity: 150 mAh - Battery power: 0.55 W - Speaker impedance: 32 ohms - Speaker power: 0.02 W - Frequency range: 2.4–2.4835 GHz - Sensitivity: 45 dB - Transmit power: 6 dB - o output distortion: 0.6% - o output signal-to-noise ratio: 93 dB - Charging time: 1–2 hours - Maximum input voltage: DC 5V - Maximum input current: 150 mAh - Maximum input power: 0.55 W Package list: 1 x Earmuff