The wall version can be connected to power using USB-C, Power over Ethernet (optional accessory available for purchase from Bang & Olufsen retailers or with a 12-30V DC power supply. Link to video here.
The table version can be connected to power via USB-C or by placing it on a 10W Qi charger. Click here for more details. Please make sure that Beoremote Halo is placed correctly when using a wireless Qi charger.