The range of this headset is up to 10 m depending on the environment. The Bluetooth headset is compatible with iOS and Android smartphones and can be used for call times of up to 17 hours thanks to the rechargeable lithium ion battery. The headband can be adjusted flexibly to different head sizes and shapes, and the headset can be worn on the right or left side thanks to the rotatable microphone. The soft pad at the ear ensures excellent wearing comfort.