The Denver In Ear Bud TWQ-40 is a truly wireless bluetooth earbud. So enjoy music without any cords with a maximum distance of 10 meters. These earbuds have a playtime of 3 hours and have a built-in microphone for phone calls. Each earphone has 40mAh battery and it comes in a charging case with a 400mAh battery. The charging case has a nice extra option, it supports wireless QI charging. (Charging pad not included). But you can also charge the case with the included charging cable. This earbud will be personalised with a full colour print.