With voice control function. Tell it what you want to hear, it will play for you. For the intelligent device control function, you can set the alarm clock, check the weather, and ask the road. Features with dual-band WiFi and Bluetooth 4.1 connectivity, convenient to operate. 64-bit Cortex A53 1.2GHz strong CPU ensure high-speed running. Supports A2DP music playing. Lightweight design, convenient to hold and carry. Support hands-free call. Speaker: 2" full frequency Frequency response range: 80Hz-18000Hz (-6dB) Speaker sensitivity: 82dB/m/W Rated impedance: 4 ohms Microphone: 6 CPU: 64-bit Cortex A53 quad-core 1.2GHz Dual band WiFi Bluetooth 4.1 Support A2DP music playback Rated output electric power: >5W Power specification: DC 12V 1.75A Weight: 636g