The KE-21 Wireless Bluetooth Over Ear Headphones are stylish, designed for all music lovers, providing high performance and unparalleled comfort.

Functions:

• Bluetooth + MP3 function supports stereo music playback, phone calls.
• Supports all audio devices that have Bluetooth capability, such as mobile phones, tablet PCs, laptops, etc.
• 3.5 mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth.
• Allows you to answer or reject phone calls anytime and anywhere.
• Charges via USB, rechargeable battery, convenient and practical.
• Playback time up to 8~10 hours and continuous talk time up to 8 hours, standby time up to 148 hours.
• Good quality, foldable design, and adjustable length hinges, very comfortable to use and easy to carry.
• Detachable microphone, better gaming experience.

Specifications:

• Bluetooth version: V5.1
• Transmission distance: 15M
• Operating voltage: 5V/1A
• Composite impedance: 32Ω
• Sensitivity: 115±3dB
• Output power: 10mW
• Frequency response: 10.6 mm: 20HZ-20khz
• Size of ear cup: φ4.0 *1.5mm
• Battery capacity: 400mAh
• Standby time: 120 hours
• Useful lighting time: 8 hours
• Light off duration: 16 hours
• Charging time: 2 hours
• Speaker diameter: 40MM