Features：

• Specification size: 40*135*45mm
• Screen: 1.54 inch 240*240 high definition touch screen
• Weight: about 33g
• DAC model: ESS Sabre ES9218P
• Endurance: about 15 hours (depending on the use)
• Deep standby: about 30 days (depending on the situation)
• Charging time: about 2 hours (depending on the use)
• Battery capacity: 640mAH lithium battery
• Storage: maximum support 512G TF Card (to buy)
• Output port: headset output (3.5 mm)
• Output power: 80mw@ 32 Europe
• Output impedance: 0.16 Europe
• Channel separation degree: 70dB
• Recommended earphone impedance: 8-300 Europe
• Frequency effect: 20HZ~20KHz (-0.5dB)
• Distortion: 0.004% (A-Weighting, output 500mV)
• Signal to noise ratio: 118dB (A-Weighting)
• Bottom noise: <3uV (HIGH GAIN)