[FLEXIBLE] : Built-in Flexible Lightning Connector makes it easy to sync and charge in the old fashioned way as well.</br>[PROTECTIVE BACK COVER] : Shock Resistant, dual layer case with PC hard shell and flexible TPU provides protection against accidental drops, bumps and shock</br>[COMPATIBLE] : This Qi charging case only for iPhone 7 6s 6(4.7 Version) with new improved built-in Qi wireless receiver module chip.</br>[Note]:NOT recommend to use weak transmitter</br>Lifetime Hassle-Free Warranty LIFETIME WARRANTY - from Miroddi to ensure maximum protection for the life of your iPhone 6s 6 7 case.</br></br>Product Description</br></br>Qi Wireless Charging Receiver Phone Case Charger Back Case for iPhone 7 6s 6(4.7 Version), NOT Compatible with iPhone 7 plus (5.5 Version). <br><b>*Specifications Compatibility for iPhone 6s 6 7：</b> <br>- Output Voltage: DC 5V <br>-Output Current: 1000mA <br>-Wireless Receiving Distance: <10mm <br>-Wireless Charging Efficiency: > 70% <br><br><b>*Product Features：</b><br>-Newest Improved Built-in Wireless Receiver Module TI Chip <br>- Works Seamlessly with Qi Wireless Charger Dock / Wireless Charging Pad / Portable Wireless Charger <br><br><b>*IMPORTANT REMINDERS ：</b><br>1. A Qi wireless charger is required (not included) to charge iPhone wirelessly. <br>2. Choosing a good (chipset) wireless charger is critical to prevent overheating. <br>3. We recommend use a Qi charger that support at least 1A output with a USB adapter supporting 1.5A or above. => Your iPhone's sensor will automatically shut off charging or appear the "non-supported message" when overheated or when detects the power source is not strong enough (at least 1A). This is Apple's default setting to its firmware. <br><br><b>*Package contents：</b> <br>-1 × Wireless Receiver Case for iPhone 7<br><br><b>*Company Information</b><br> Miroddi Technology Co.,Ltd was established in 2002,with factory in Bao'an,Shenzhen-A modern factory combined with our own brand identity.We offer design & development for mass production & marketing.Specializing in tablets accessories,e-book accessories,and smart phone accessories now,our main products range include leather cases,pc cases,tpu case,silicon cases,screen protector,wireless charger etc.</br><br/>http://www.amazon.com/gp/product/B01MCUTP34