Bluetooth speaker - height 30cm, frequency range 20Hz-20KHz, built-in subwoofer, Bluetooth v4.1, internal 2200mAh battery, pairing sound, pairing with another speaker in the series
Drone - remote controlled via Bluetooth (range up to 30m), LEDs, Bluetooth 4.0, battery life up to 60 minutes, compatibile with iOS/Android 4.4.2 and higher