Technaxx Mini Musicman Wireless Soundstation BT-X2. System type: 1.0, Recommended usage: mobile phone/smartphone, Form factor: standard. Connectivity technology: Wired & Wireless. Power source type: AC, Battery, USB, Battery type: built-in, Battery life (max): 10 h. Width: 50 mm, Depth: 50 mm, Height: 50 mm. Cables included: Audio (3.5mm), USB