Optimal ease of use – The Sinji Mono Bluetooth Headset is the perfect one-piece earbud. The headset weighs only 6 grams, so you can easily take it with you. Thanks to the compact design, the fit is comfortable, you hardly feel that you are wearing it. Within seconds you can connect your smartphone, iPod, tablet and all other Bluetooth devices to the headset.Crystal clear sound – The Sinji Mono Bluetooth Headset makes it possible to make hands-free calls thanks to the built-in microphone. The built-in speaker is of excellent quality so you can always hear your conversation partner loud and clear. If you listen to music with the headset, you do not need to take the headset off to answer or reject incoming calls. The headset automatically switches to the ring mode. The rechargeable battery has a talk time of 4 hours and is fully charged within 2 hours. You can recharge the Sinji Bluetooth Headset with the included cable, which you can connect with a USB adapter or directly to a USB port of, for example, your computer. New other (see details): A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with no defects.