How much record time is available per TalkingBrix 2?
10 seconds per TalkingBrix 2.

What kind of cable is used for charging?
The TalkingBrix 2 use a USB A to USB mini connector.

I lost my charger, where can I get a replacement?
TalkingBrix 2 use a standard 5v charger and can be used with any smart phone power brick or connecting to a computer with the USB .

Can TalkingBrix 2 be charged all at once?
TalkingBrix 2 were designed to connect to each other and be charged at the same time.

Why doesn't my TalkingBrix 2 work when plugged in?
The charging circuit of TalkingBrix 2 disables the audio output while charging.