Philips Sonicare 3100 series 3100 HX4031/21 Rechargeable toothbrush

3 intensity settings: Low: value Medium: value High: value | Warranty period: 2 year(s) | Easy click-on brush head: Yes | AC input voltage: 100-240 V | Integrated timer: Yes | Toothbrush frequency (pulsations): 31000 movements per minute | Battery life (max): 336 h | Operating time (Full to Empty): Up to 14 days | Teeth brushing modes: Daily care | Battery technology: Lithium-Ion (Li-Ion) | Number of brush heads included: 1 pc(s) | Battery type: Built-in battery | Indication light: Yes | Adjustable speed: Yes | Handle(s) features: Ergonomic | Included brush heads: 1 Optimal White W | Timer: SmarTimer and QuadPacer | Product colour: White | Cleaning modes: For exceptional everyday cleaning | Mobile app support: No | Timer duration modes: 2 min | Number of speeds: 3 | Purpose: Adult | Charger: Yes | Toothbrush type: Sonic toothbrush | Rechargeable battery: Yes | Timer duration modes: 4 x 30 sec | Number of teeth brushing modes: 1 | Power source: Battery | Number of chargers: 1 | Battery level indicator: Yes | Number of handles included: 1 pc(s) | Pressure sensor: Yes