The latest implementations stretch this to 24 MBit/s, but the transfer is usually achieved over Wi-Fi with only the connection negotiated over Bluetooth. Introduced in 1998, it was intended as a low-power, low-throughput technology to replace existing wired connections rather than specifically for file transfer and as a result (by the time the Coolpux P1 came out) could only manage 2 MBit/s. One way to mitigate this problem was to switch to Bluetooth as a wireless technology.
Solutions to optimize this problem revolved around keeping the transceivers off most of the time and sending JPEGs to minimize data transfer. The problem with Wi-Fi – besides the issue of interference – was battery life: it literally drained away.
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