MP3 Card Wireless Headphone (VIT-DS-HP960)

1) SD/TF cards supportive 2) Audio Format Support MP3/WAV/WMA 3) Builded-in Rechargeable lithium battery 4) Portable Folding headphone 5) Integrated FM Radio 6) Wired headphone 7) Continuously use 8HOURS 8) Low Capacity Battery Indicator 9) Fast Go and Fast Back function 1)System: Active Chip 2)THD:90dB 5)Charging Time:2.5HOURS 6)Frequency Response:20-20KHz 7)Headphone Current:300mA/H 8)Using Enviromental Temperature:0℃-50℃