Wireless Headphones Headset MP3 Player Support Micro SD/TF Card FMVery high grade processed and very rubster headphones with excellent sound quality. The high performance battery , makes a continuous playback time of up to 12hrs. possible. MP3 files can be abgespielelt with 320Kbps. The integrated

Wireless Headphones Headset MP3 Player Support Micro SD/TF Card FMVery high grade processed and very rubster headphones with excellent sound quality. The high performance battery , makes a continuous playback time of up to 12hrs. possible. MP3 files can be abgespielelt with 320Kbps. The integrated MP3 player supports microSD / SDHC cards up to 32GB. With the included headset cable, the headphones can also be used as Android or iPhone headset. Specifications: Equalizer function Connections: 3.5mm Line In, 3.5mm Ant IN, Micro USB DC IN 5V Playing time: about 12 hours Charging time: about 2 hours FM radio: 87.5 - 108MHz Frequency range: 20Hz - 20KHz MP3 player decoding Range: 8Kbps - 320Kbps Sensitivity: 108dB /-3dB Speaker Impedance: 32ohm