小型发言播放调频节目的

1)2 in 1 mini FM speaker 2)mini speaker+FM funtion 3)Portable, support plug 3.5 jack earphone 4)continuously playing Features: Mini hamburger FM speaker with retractable resonator and built-in lithium battery,can also work with many audio players like mp3/4,laptop etc. Specification: FM frequency range:88-108 Audio input through a built-in 3.5mm jcak . Support 3.5mm headset, continuously playing continuously playing Shell materials:QIMEI ABS757 Shell Painting:UV PAINT spray Speaker:MAGNETISM PREVENT(4ohm)36MM*2W Loudspeaker output:2W Frequency response:80HZ-18KHZ Lithium-ion battery Voltage:3.7V Lithium-ion battery capacity:300MAH Lithium-ion battery charging Voltage:5V±0.05V Product net weight:56g(including battery) Product specification:5.2cm*3.2cm Battery Charge time:DC 5V 300MA to 500MA about 2.5 hours; USB about 3-5 hours; Working time:3 hours(by the speaker) more than 7 hours(by earphone) Package materials:speaker+Crystal Case+English manual +USB cable.