XXODD WoomBox Two Purple. System type: 1.0, Recommended usage: universal. RMS rated power: 1.25 W, Frequency range: 150 - 20000 Hz, Impedance: 4 Ом. Connectivity technology: Wired & Wireless, Interface: Bluetooth/3.5 mm, Bluetooth profiles: A2DP, HFP, HSP. Battery type: built-in, Battery voltage: 3.7 V, Battery life (max): 10 h. Width: 140.5 mm, Depth: 32 mm, Height: 57 mm