Ultra Slim Battery Case The Compact Charging Case for iPhone 6 / 6s / 7 From UlaTree, 8th generation of the Battery case in China bulit in bluetooth and 3.5mm audio jack in it . • Faster and safer charging with our advanced technology • makes you iPhone 7 can connect the 3.5mm headphone also as before. Bluetooth receiver , besides charging function, its strong bluetooth receiving function provides another way access for your iPhone 7. +120% Extra Battery Life • Add up to 60 hours audio, 17 hours 3G talktime, 13 hours video, 12 hours internet or 3 hours 3D gaming. Whatever you love doing, do it for longer. Sleek, Compact Design • Adding only 0.58in of thickness, this battery case is comfortable to hold and slides easily into your pocket. Aluminum Back and Holder • Aluminum back with a high Heat dissipation. • light and durable stand bulit in ,helps free you hands when watching TV. High quality drive-by-wire headphones accessible instead of 3.5mm headphone interface of iPhone 7, you can still connect iPhone headphones or other high-end drive-by - wire headphones with the charger case wich has Bluetooth function. Car bluetooth phone/ car music player the regular car-borne speaker can be updated to Bluetooth car borne speaker after the cable connected with the phone is inserted into the AUX interface.The music , phone talk and navigation can be output from the car-borne speaker after the phone is connected with the speaker through Bluetooth. Wired speaker becomes a Bluetooth speaker You can play music out at home through the speaker which is connected with the charger case through an audio cable if you do not have a bluetooth speaker.
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