Power boost, Bass boost, Sound Quality compensation 
<br />The SD05 PLUS is the perfect companion to modern smartphone and  
<br />laptop computers that needs some help in the audio department.  
<br />Power to 130mW, the mobile phone audio output power increase  
<br />about 10 times, reach most headphones best power demand  
<br />range 
<br />SD05 PLUS exclusive tuning style, with automatic adjustment of  
<br />low-frequency dynamic gain adjustment module to enhance bass  
<br />performance 
<br />Reverse Charge Pump Circuit Design - Effectively improve the audio  
<br />sense of hearing, compensation for mobile phone sound quality 
<br />
<br />Plug-n-Play Instant Audio Improvement 
<br />SD05 PLUS uses the all-intelligent headphone amplification  
<br />program, without any operation, detects the headset insertion  
<br />auto-start, which is shown by the indicator light.  
<br />
<br />Small, Portable, and Easy to Use 
<br />SD05 PLUS is only a lighter size, you can easily put into the pocket, easy to carry  
<br />It is for mobile phones, laptop computers, headphones, speakers, car Audio and  
<br />other equipment.  
<br />
<br />10 Min charge, HIFI All Day 
<br />Li-poly battery provides approximately 22 hours of play time on a full charge.  
<br />It only takes 10 minutes to fully charge.  
<br />
<br />Specifications 
<br />- Frequency Response: 15~27000Hz 
<br />- Earphone Impedance:  32 Ohms 
<br />- THD+N: 0.006% (1kHz)  
<br />- SNR: 90dB (A-Weighted)  
<br />- Output Power: >130mW ( 75 Ohm)  
<br />- Battery: 180mAh, approx. 22H usage 
<br />- Dimensions: 1.65" x 1.57" x 0.37" 
<br />- Weight: 0.71 oz<p> <b><b><img src="https://contestimg.wish.com/api/webimage/58dbb04e2beb150ea4d54c0f-large.jpg"><img src="https://contestimg.wish.com/api/webimage/58dbb04e2beb150ea4d54c0f-1-large.jpg"><img src="https://contestimg.wish.com/api/webimage/58dbb04e2beb150ea4d54c0f-2-large.jpg"><img src="https://contestimg.wish.com/api/webimage/58dbb04e2beb150ea4d54c0f-3-large.jpg"><img src="https://contestimg.wish.com/api/webimage/58dbb04e2beb150ea4d54c0f-4-large.jpg"><img src="https://contestimg.wish.com/api/webimage/58dbb04e2beb150ea4d54c0f-5-large.jpg></b></b></p>