All functions in one touch!   Bluetooth version: 5.0 Battery capacity in the charging case: 350mAh handset battery capacity: 35mAh - Loading time: 70min - Playback time: 2.5 to 3.5h Ability to fill the phone with a single filling of the box: 4-5 times"   Have a multifunctional TOUCH key Each case can be used separately automatically lit, linked and paired Support Siri function with one or two TOUCH clicks, change the song/content, adjust the volume, answer the call...   Compatible with iOS and Android operating systems