The Opus 2 is a behind-the-ear (BTE) device with a BTE processor, a battery-compartment and a coil with magnet. Available in various colours (click here for colour palette).
The battery-compartment contains 1 rechargeable battery with 16 hours autonomy or 3 disposable batteries (675 Extra of 675 C) with 5 days autonomy. A smaller compartment (XS) is available for 2 disposable batteries and 3-4 days autonomy.
The battery can be worn on the body (configuration for children). Alternatively, the entire processor with battery can also be worn on the body (configuration for babies).
The remote control allows you to change some of the settings.