Sound and Connectivity
The phone's audio experience is serviceable, featuring a loudspeaker and a traditional 3.5mm headphone jack, offering flexibility for audio device connections. Connectivity-wise, the Spark Pro supports Wi-Fi 802.11 b/g/n, Bluetooth 4.2 with A2DP and LE, and GPS for navigation. However, it lacks NFC, which might be a downside for users who rely on mobile payments. The microUSB 2.0 port with OTG support caters to data transfer and peripheral connectivity.