XXODD WoomBox One White. System type: 1.0. RMS rated power: 1.20 W, Frequency range: 150 - 20000 Hz, Impedance: 4 Ом. Connectivity technology: Wired, Interface: Bluetooth/3.5 mm, Bluetooth profiles: A2DP, HFP, HSP. Power source type: Battery, USB, Battery type: built-in, Battery voltage: 3.7 V. Width: 57 mm, Depth: 57 mm, Height: 57 mm