Removu dual charger for (upto) 2 x S1 batteries and remote control (RM-X18S): Amazon.co.uk: Electronics & Photo
Removu S1 Rainproof "Wearable / Mount Anywhere" 3-Axis Gimbal with Detachable Handgrip and Wireless Remote Control for all GoPro 3, 4, 5, 6, 7 and Session cameras – Black (RM-S1): Amazon.co.uk: Electronics & Photo
REMOVU S1 3-Axis Gimbal with Wireless Remote Control Rainproof for GoPro HERO | eBay