Bluetooth 4.0 energy consumption paired with 2.1?
Will a BT4.0 device paired with BT2.1 speakers still take any advantage of its low energy consumption on the 4.0 side?
If no, assuming 4.0 paired with 4.0, how much in fractional terms is it saving us over 2.1?
If no, assuming 4.0 paired with 4.0, how much in fractional terms is it saving us over 2.1?