Specifications BackBeat GO 2 earphones are ideal for those who want high quality wireless audio experience and high autonomy, as well as moisture protection for reliable use in various conditions. Main features: Diving Audio: Plantronics BackBeat GO 2 wireless earphones offer immersive audio with rich, crystalline and natural bass. Autonomy: Up to 14,5 hours of on-the-go use with the charging case. Insulation of the Rumore: Designed to seal bass and isolate ambient noise. Compatibility: Bluetooth connectivity to listen to music, make calls and watch videos. In-Line controls: In-line controller to manage calls, play and pause music and skip tracks. Integrated Microphone: In-line microphone for clear and natural voice calls. Protection against Humidity: Resistance to sweat and moisture thanks to P2i technology. Autonomy without charging houses: Up to 4.5 hours of listening Up to 5 hours of conversation Up to 10 days on standby mode DeepSleep mode to maintain charge for up to six months without using charging homes. Quick charging: 20 minutes of connection to charging houses add an hour of listening. Device compatibility: It works with iPhone, iPad and Android devices (requires Android 4.0 or later to view the battery level via the Plantronics Battery Meter widget). BackBeat GO 2 earphones are ideal for those who want high quality wireless audio experience and high autonomy, as well as moisture protection for reliable use in various conditions.