Kruger&Matz JOY Wireless Speaker with Radio

FM Radio: YesBluetooth: 2.1Bluetooth range: Up to 10 mBluetooth profiles: A2DP, AVRCPSpeaker: 4 "Frequency response: 100Hz ~ 20kHzPower output: 12 WImpedance: 4 OhmTHD: ~ 20%S / N ratio: ~ 60 dBMemory card reader: Micro SDUSB: USB, micro USB (charging)Audio input: AUXMusic playback time: Up to 2 hours (at highest volume)Built-in battery: 1500 mAhCharging voltage: 5V / 1A