Product: AILIHEN A80 Bluetooth Wireless Headphones On Ear with Mic Hi-Fi Stereo Wired Foldable Headsets, Soft Earpads, Support with TF Card/MP3 Mode, 25H Playtime for Travel TV PC Cellphone (Rose Gold)
Brand: AILIHEN
Color: Rose Gold

Specification Bluetooth Version: V5.0 
Speaker Diameter: 40mm 
Dynamic frequency response range:100-10kHz 
Impedance:32Ω±15% 
Sensitivity: 103dB ±3dB 
Operating Range: 33 feet(10 meters) 
Battery type:500mAh Lithium polymer battery 
Charging Time: 1.5-2 hours 
Music Play Time with BT on: 20 hours 
Cable Length:1.5m±5%
Long Battery & Multi Modes：500mAh rechargeable battery enables up to 25 hours music time with just 2 hours of charging.Whether you are watching TV, playing games or using your phone. AILIHEN over ear bluetooth headphones can be used as wired headphones by plug in the 3.5mm cable which are included in the package. The built in TF slot can support with loaded MP3 music to listen to songs directly
Impressive Sound Quality:40mm large-aperture driver provides a quick and stable connection with cell phones, laptops, PC computers, smart TVs and many other Bluetooth enabled devices, bringing you a crystal clear sound effect.The over ear design helps to isolate the sound from outside noise, makes you immersed in the music world
Comfortable for Wearing: These over ear wireless headphones come with soft memory-protein foam leather earmuffs and adjustable headband allow you to find the perfect fit without constraint and provide maximum comfort,make you focus on what you want to hear, enjoy your music, movies and videos
Foldable & Portable Design: Adjustable headband is designed to fit with different head size. The folding headband is designed not only for saving space but great for carrying out whether you are in travel, school or airplane rides. Just take the headphone on, and the music is around you
You Are In Control: Built-in HD microphone provides you a clear talking experience, easy to answer calls, control volume and song switch.(Gentle Reminder: the microphone only work on Bluetooth mode. )

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