Portable Music Player. Features: The M3K is powered by the powerful Ingenic X1000E processor and well-received DAC AKM AK4376A, which ensures you get a smooth, yet long-lasting experience without breaking the bank. The M3K has a battery life up to 24 hours and standby time up to 38 days. No other player in the M3K’s segment can be used as a USB DAC. It allows you to enjoy up to 192kHz/24 bit audio. The M3K supports micro-SD cards for storage expansion, up to a massive 2 TB. Specs: Screen: 2.0'' IPS screen. Operation: touchpad + capacitive touch buttons. Battery: 1100 mAh. Frequency Response: 5 Hz ~ 90 kHz(-3 dB). Dimensions: About 90.8 x 44.2 x 12 mm. Weight: 77.5 g. Colour: Silver.