UE BOOM 2, Bluetooth, NFC, Aux in, 90Hz–20kHz, 548g
Ultimate Ears UE BOOM 2, 1.75" (4.44 cm), 90 - 20000 Hz, 90 dB, Wireless, A2DP, HFP, 3937" (100 m)
Ultimate Ears UE BOOM 2. Subwoofer driver diameter: 1.75" (4.44 cm). Frequency range: 90 - 20000 Hz, Sensitivity: 90 dB. Connectivity technology: Wireless, Bluetooth profiles: A2DP, HFP, Bluetooth range: 3937" (100 m). Product color: Black, Product design: Tube, Protection features: Water resistant. Recommended usage: Mobile phone / Smartphone, Mobile operating systems supported: Android, iOS