Tube Green Wireless Bluetooth Built-in microphone Equipped with the latest Bluetooth 4.0 technology, the cylindrical A3060 connects wirelessly to smart- phones, tablets, laptops, and any other Bluetooth- enabled device for cordless audio playback. Whats more, this speaker can also be used as a speaker-phone for telephone or VoIP calls thanks to its built- in microphone. The integrated li-ion battery lets you enjoy your music for up to 15 hours longwhether in the park, at a hotel, on the beach or at home in your garden.Bluetooth 4.0 audio transmissionWireless hi-fi enjoyment: The latest Bluetooth 4.0 technology offers reliable audio transmission with incredible sound quality for all Bluetooth- equipped devices with 360° coverage and a range of up to 10 m.Intelligent voice outputHello there: For easier handling, the friendly voice output informs you when a new device is paried, gets connected/disconnected or the battery needs charging.Speakerphone FunctionalityThanks to the integrate