Philips Sonicare AirFloss Pro/Ultra - Interdental cleaner HX8424/17, Pink, White, 1 min, Battery, Built-in, Lithium-Ion (Li-Ion), 24 h Philips Sonicare AirFloss Pro/Ultra - Interdental cleaner HX8424/17. Product colour: Pink, White, Operating time: 1 min. Power source: Battery, Battery type: Built-in, Battery technology: Lithium-Ion (Li-Ion). Number of handles included: 1 pc(s)