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Which drains tablet battery quicker, bluetooth or wires?
so i have a nexus 7 tablet, i can use usb devices with an otg cable that i have and i was wondering:
1.does bluetooth use more battery than wires?
2.does it take the same amount of battery for bluetooth to pair 1 and 2 devices?
3.will using a powered usb hub (to connect a wired mouse and keyboard) save battery noticeably?
4.should a wireless mouse with a usb transmitter work fine on my tablet just like a wired mouse?
thank you guys in advance
oh and also 5. which takes more battery, using both a mouse and a keyboard via bluetooth? or using it wired?
3 Answers
- ?Lv 69 years agoFavorite Answer
Bluetooth will always use more power because you need to send and receive radio signals between devices. Wired will use less power. It will use the same amount of power to connect to each of 2 devices but if you're using them simultaneously it will use more power because you are sending and receiving more signals. I don't think number 3 will save you much because you still have to make a connection to the tablet and that's going to use power.
Not sure on 4 because I don't have a tablet to try it on. But as far as power consumption, what I said would be true of any device.
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