Warm Note:
<br />Only 1pcs Mini Bluetooth Earphone in this link, and if you want to buy a Headphones, please click on https://www.wish.com/c/59d87ce87e352687cb05b5776
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<br />Model 1 Feature below:
<br />Bluetooth 4.0 technology Lets you wirelessly connect to compatible devices, including select Apple iPhone 5s/5c/5/4s/4c/3/2 iPAD iPod, Android Smart phone; Samsung Galaxy S5/S4/S3 Note2/3; Galaxy Tablet; Nokia Toshiba Sony and BlackBerry Smart phone and devices; most Mac and Bluetooth-enabled PC laptops Tablet and desktops. Built-in microphone Allows clear communication; Enables use as a headset. Music and phone controls ensure ease of use. Noise cancellation technology, Talking with cell phone clearly, 3.5mm audio jack Provides a simple wired connection of a variety of devices. 40mm drivers Along with neodymium magnets produce deep, enhanced bass and full-range sound for dynamic audio. Built-in rechargeable lithium-polymer battery With Li-battery enables up to 7 hours of talk time or audio playback. Carrying pouch Protects the headphones during transport and storage. 20Hz - 20kHz frequency response Offers faithful sound reproduction. 64 ohms impedance Efficiently conducts power. Supports wireless in-game chatting and music streaming When connected to your PC, mobile phone, TV or PlayStation 3 (PS3) for versatile use. Remote buttons make it easy to control media playback. Space-saving foldable headband Allows simple transport and storage in the included hard travel case. Included micro USB charge cable Makes it easy to replenish the battery's power. 30mW maximum input power for music Along with 20mW long-term input power for impressive sound. Passive noise reduction Up to 15dB blocks background sounds for an immersive listening experience. 
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<br />Model 2 Feature below:
<br />Specification:
<br />1. Drive: 40 mm
<br />2. Impedance: 32 OHM
<br />3. Bluetooth version: Bluetooth v4.0 + EDR
<br />4. Power Level: CLASS II
<br />5. Output Power: 30mW
<br />6. Bluetooth distance: 10 meters barrier
<br />7. Frequency response: 20-20000 Hz
<br />8. Operating voltage range: 3.0V-4.2V
<br />9. Microphone sensitivity: -42dB
<br />10. with A2DP / AVRCP high-quality stereo audio transmission and remote control protocol
<br />11. Powerful noise noise cancellation circuit (Active Noise Reduction)
<br />12. Wired and Bluetooth automatically switch to support audio input
<br />13. Charging time is about 1 hour (power indicator Charging: blue light lights, fully charged: blue light goes out)
<br />14. Dimensions: Diameter length 20MM. Width 15MM. 18mm high
<br />15. Weight about 4g
<br />16. Talk time About 4 hours
<br />17. Music for about 3 hours
<br />18. The standby time is about 3-4 days
<br />19. Charging Power: DC5V Power Interface [the hole] (computer USB port, mobile phone charger, car charger)
<br />20. Compatible: Compatible with Android, Apple, Microsoft, Symbian 99% of with Bluetooth cell phones(IOS cell phone has power display)
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<br />How to use ?????????
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<br />"Long time press earphone button more than 5 seconds.
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<br />You will see red and blue light flashing alternately.
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<br />Then connect your Bluetooth, and use earphone. "
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<br />Package Contents:
<br />1 x Bluetooth Earphone
<br />1 x USB cable