I. Player i i . Operating key: 1. Press key to play/pause 2. Press key to go to next songs, press and hold for 1-2 additional seconds to forward. 3. Press to go to previous songs, press and hold for 1-2 additional seconds to rewind. 4. Press vol+ to increase volume, press vol- to reduce volume..
5. Press “m” key to adjust mp3/fm/aux mode. 6. “on-off”: power switch iii. Connections: 1.“usb”：5v dc power charger, line-in cable and fm radio 2. “tf card”: insert micro sd(tf) memory card 3. “usb host”: insert flash usb stick iv. Power supply 1. Usb 5v dc 2. Built-in lithium rechargeable battery 3...
Vi. Specification: unit measure 62*46*72mm display screen led battery 3.7v/500mah rechargeable lithium battery line-in mp3 maximum input (l)300mv+ r 300mv output power 3w mp3 bits 8k bps-320k bps signal to noise ratio 65db degree of distortion music format mp3 op temperature -5 to 40 degrees centigr...
