9350 has Five cleaning modes: Clean, White, Polish, Gum Care, Sensitive. Use an adapter if charging outside the bathroom. 939B has Five cleaning modes : Clean, White, Sensitive, Gum Care, Deepclean.
eBay
1-4PCS for Panasonic 14500CY 750mAh Electric Toothbrush Battery For Philips Sonicare HX89 HX91 HX99 HX65 HX63 Series HX6340
Aliexpress UK
NEVER USED! Get the ultimate clean with DiamondClean Eliminate guesswork for superior teeth, gum, whitening & fresh breath. It's more than just a toothbrush - it's a complete oral care solution. Unlike a manual toothbrush, DiamondClean uses unique sonic technology to clean teeth with up.
eBay
Replacement Toothbrush Heads Compatible with Philips Sonicare for C3 C2 G2, Electric Brush Heads for Sonicare Plaque Control
Aliexpress UK
Older silver charging bases (e.g.HX9100 model ) will NOT work unless they are modelCBA1001 CBA2001 CBA3001 CBA4001 CBA5001 CBA6001 (link below) are compatible. Check photos to confirm your base. Use an adapter if charging outside the bathroom.
eBay
PHILIPS One HY1100 Electric Toothbrush BH1022 Toothbrush Head Adult AAA Battery Sonic Vibration Sonicare Portable Tooth Brushes
Aliexpress UK
In very good condition charging travel case and glass charger with new brush head
eBay
Electric Toothbrush Travel Case for Philips Sonicare, Oral B and Most Other Electric Toothbrushes, Portable Protective Clean Box
Aliexpress UK
Replace brush heads. Handle compatibility. Vibrates handle to alert user. Smart sensor technology. Battery indicator. Lithium ION. Cleaning performance.
eBay
Compatible with Philips Electric Toothbrush Replacement Brush Heads, Diamond Clean Toothbrush Head for Sonicare 4100 5100 6100
Aliexpress UK
Use an adapter if charging outside the bathroom.
eBay
Electric toothbrush head, replaceable sonic electric toothbrush head, suitable for Philips Sonicare's electric replaceable brush
Aliexpress UK
Older silver charging bases (e.g.HX9100 model ) will NOT work unless they are modelCBA1001 CBA2001 CBA3001 CBA4001 CBA5001 CBA6001 (link below) are compatible. Check photos to confirm your base. Use an adapter if charging outside the bathroom.
eBay
Electric toothbrush head, replaceable sonic electric toothbrush head, suitable for Philips Sonicare's electric replaceable brush
Aliexpress UK
Safe and gentle: if you apply too much pressure, the handle will pulse slightly, reminding you to ease off the pressure, thereby protecting your teeth and gums.
eBay
Philips Sonicare usb charging travel case, suitable for 9900 Prestige electric toothbrush handle
Aliexpress UK