New Style Portable Radio for the aged, card plug-in speaker,Wholesale china

[Size] 11 * 3 * 5.5CM [Battery] external battery (lithium battery) [Weight] 220 g [Distortion] 0.5% [Output] RMS 3W [Frequency] 150Hxz-20Hz [Radio frequency] 87.5-108MHZ [SNR] ¡Ý80dB [Range] 8-320KBPS decoding [Requirements] Power DC5V / 500 [Charging time] 3-5 hour charge time [Playing time] 2-4 hours (depending on volume size)