Product Features: 1-Wireless version 4.1. low power consumption, longer working time. 2- smart magnet design, giving you a convenient storage way. 3- intelligent noise reduction, crystal clear voice talking. 4-Stay comfortably in place while doing sport.
- caution: please use and store this product in normal temperature. 2-avoid exposure to rain or damp environment . 3- Do not disassemble, repair or transform this product. lithium battery included, do not discard carelessly. 4-long time years of earphones may affect your hearing, so pay attention to volume control. 5- do not use it when riding or driving to avoid traffic accidents.
- Storage: keep it in dry place if the earphone is not in use for long time. Charge the earphone at least one time per month for longer service life.