With crystal-clear sound and voice quality, ZuM Maestro Dual-Ear BT Headset delivers professional quality and keeps you connected. You'll be able to answer calls with any Bluetooth device like your smartphone or laptop with this comfortable, lightweight, high-quality headset. Bluetooth connection works with a distance of up to 33'. You'll have up to 21 hours of talk time on a single charge and 500 hours of standby time. Noise-canceling microphone screens out the noise around you so you will be heard as well as you can hear. This headset with charging base is compatible with smartphones, tablets and laptops.With crystal-clear sound and voice quality, ZuM Maestro Dual-Ear BT Headset delivers professional quality and keeps you connected. You'll be able to answer calls with any Bluetooth device like your smartphone or laptop with this comfortable, lightweight, high-quality headset. Bluetooth connection works with a distance of up to 33'. You'll have up to 21 hours of talk time on a single charge and 500 hours of standby time. Noise-canceling microphone screens out the noise around you so you will be heard as well as you can hear. This headset with charging base is compatible with smartphones, tablets and laptops.