Smart Bluetooth Earmuffs

• Wireless Headphones that lets you enjoy the music or answer the phone while keeping your ears warm.
• 100% new and high quality!
• Cotton blend material, stylish, warm in the winter to answer the phone.
• Set the MIC on your phone to talk directly to your audio device so that you can answer your speakerphone from your device.
• Built-in lithium-ion rechargeable battery, charging through the USB cable, long standby time.

Product Specifications:

• Bluetooth Version: V3.0 + EDR
• Frequency: 2.4026GHz-2.480GHz
• Transmission Distance: 30 feet or less
• MICROPHONE Transmission Distance: ≤ 2m
• Lithium-ion Battery: 3.7V / 120mA
• Charging Time: 2.5 hours
• Standby Time: 60 hours
• Continuous Working Time: about 4 hours