sd card player headphone 1)Can play SD/MMC cards 2)MP3 music freedom 3)HI-FI sound headpone 4)Adjustable headband

sd card player headphone

Specification:

Speaker dimension:Φ40mm

Impedence:32Ω

Sensitiviy :108dB S.P.L at 1KHz Frequency

Response:20Hz~20,000Hz

Rated power:20mW Rated

capability:40mW

Distortion: <0.1%

Audio format and source

support: High-quality MP3 music format from micro SD card Sustainable

playing time: 8 hours

 

 

 

TF sd card player headphone card headphone with memory card