Headphone Earphone Amplifier Magic Sound DAC Decoding 10000mAh Mobile Charging Power Bank Two in One

Features: Very low power internal resistance and proper closed-loop gain, easy to drive load headphones with impedance exceeding 300 experience vibrant music Powerful current amplification capability brings unparalleled driving force, whether it is a large headphone or a flat earplug, it can always reflect the true sound quality of music The pure, stable, low internal resistance of the huge battery provides ample high-quality energy supply for the amp circuit, making the sound quality outstanding Adopt voltage type amplifying circuit design, and strive to combine the sense characteristics of each resistor and capacitor to form a warm and mellow sound Built-in safe and reliable polymer lithium battery, chip-level safety design, can provide short-circuit protection, over-voltage protection, over-current protection, temperature protection, spike suppression, low-voltage protection, over-charge protection, over-discharge protection, etc. No need to worry about hidden dangers Built-in low-voltage fast charge mobile power function, charging and discharging current up to 2.5A (peak up to 3A) power conversion rate up to 94% can significantly speed up charging speed Compact design, texture technology, portable size, perfect fit with mobile phone, connect the phone and earphone through the headphone port, it can be automatically turned on Ultra-low power consumption of 8.5-10ma: Up to 800 hours use Equipped with intelligent control chip, which can effectively improve battery cycle life Package Included: 1 x Earphone Amplifier Power Bank 1 x Audio Cable Specification Hardware configuration NE 5532/JRC4558+97220/4420+ charge pump Hardware configuration CSR8675+24Bbit/DAC+Headphone amplifier Battery capacity 10000mah Transmission distance about 10m / 32.8ft Configuration Protocol A2DPAVRCPHSPHFP Audio power 300Mw Input impedance 32 Output impedance 200 Frequency range 20-27000HZ Signal to noise ratio 95db Distortion 0.006% Charging time 45 minutes Standby time 300 hours Life time 30 hours Input 5V-2.5A (Type-c) Output 5V-2.5A (USB) Size approx. 12.7 x 6.8 x 1.5cm / 5 x 2.7 x 0.6inch