The brush head is made of bamboo, which is natural and environmentally friendly; the body is made of plastic, and the color matches the brush head. It is compatible with most Philips. Storage And Recharge Of The Toothbrush: During its first usage like newly bought products and if you haven' t use it for 3 months and over, you'll need to charge it regarding the rest of the power. The suitable temperature is between 5 degree to 35 degree If the temp is over or below, it willcause the charger can' t charge nommally or can' t charge at all. To keep sufficient battery, it' s advised to charge 2 times separately to save up the charging time too. It is nommal the temp of machine goes up at using and charging time. Charging Instructions: charging time about 7hours. Charging status mode light goes into flashing status and it goes off after 3 seconds then it goes to charging status. Charging complete when the when the intersity ight Green goes on and stays on Low battery alert when the tensity light yellow fickering press the on/off button and yellow light goes off after 2 seconds' flickering. Battery infommation: all five 5 LED ights on the same time mearns the capacity is over 90%;if it' s 4 lights, capacity over 75%if it' s 3 ights on, capacity over 50%;2ights on, capacty over 25%;1light on, capacity over 15%. If the yelow light goes on it means capacity is below 10%, it will repeat for 4 times for reminding. Material for Handle: Plastic Material for toothbrush head: Bamboo Size: 26 x 2.7cm Color: Wireless Charging(with base), Wired Charging(without base)(optional) Package List: 1 x Handle 3 x Replacement head 1 x Charging Cable 1 x Package Box