Product type: Stereo portable speaker Product colour: Black Volume control: Buttons Battery life (max): 4 h DC input voltage: 5 V Power source type: Battery, USB Height: 85 mm Depth: 85 mm Width: 185 mm Recommended usage: Mobile phone / Smartphone FM radio: Yes Compatible memory cards: SD Card reader integrated: Yes FM band range: 87.5 - 108 MHz Quantity per pack: 1 pc(s) Frequency range: 100 - 20000 Hz RMS rated power: 10 W Bluetooth range: 10 m Wi-Fi: No AUX in: Yes Bluetooth: Yes 3.5 mm connector: Yes Bluetooth version: 3.0 Connectivity technology: Wireless Number of speakers: 1 Number of drivers: 2