• Bluetooth + MP3 function support stereo music playing, phone calling
• Support all audio devices that have Bluetooth capability, such as cell phones, tablet PC, laptops, etc.
• 3.5mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth
• Allow you to answer or reject phone calls anytime and anywhere
• Charged via USB, rechargeable battery, convenient and practical
• Playing time up to 8~10 hours, and continue talk time up to 8 hours, standby time up to 148 hours
• Good quality, foldable design and adjustable length hinges, very comfortable to wear and easy to carry
• Detachable Mic, better gaming experience

Specifications:

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