Mio DigiWalker A701 User Manual page 77

Avoid power-consuming situations such as:
When connecting A701 to your desktop computer (Your A701 will not
auto-suspend while it is connected.)
When using a SD/MMC card
When monitoring Bluetooth transfers (Although you can set your A701
to constantly monitor the Bluetooth transfers sent from other Bluetooth
devices, doing so will quickly drain your battery.)
When playing sound or music, or recording
4-4
Managing Your A701