Description Specification: Speaker Features Signal / noise ratio 70 dB Speaker Physical Spec Weight 301 g/10.62 oz. Bluetooth Bluetooth4.2 – Bluetooth Low Energy (BTLE) USB Bluetooth4.2 – Bluetooth Low Energy (BTLE) USB BT audio device/HID dongle. Bluetooth 4.2 – Bluetooth USB 5V / 500 mA – charging time 3h Speaker Power Source Power Charging power & time: USB 5V / 500 mA – charging time 3h Warranty Warranty 02 years warranty
