Speaker Feature: 1.Support A2DP,AVRCP, Handsfree profile,FM radio 2.With FM function, can search radio station broadcast automatically 3.International advanced Wireless chip and circuit design techniques,support all wireless devices. 4.With Hi-Fi speaker, to make sure the clear and bright sound. 5.Support Micro-SD card and USB card, play MP3 format audio. 6.The wireless working distanceis 10 meters. 7.With AUX line in, can directly connect the outside devices,for example, tablet PC/TV/cellphones. 8.It close automatically after 30 mins if bluetooth mode no connection 9.Support solar charging; Bluetooth Version:V4.2 Working Range:in 10metres Dimension:190X70.4X70.4MM Loudspeaker Output:5W*2 Signal-to-Noise:90dB Distortion: 0.5% Battery Voltage/Capacity:1200mAh Battery Charging Voltage:5V /500mAH Play time values for speakers: 3-4hours (The product printed words depending on the batch, but this does not affect use) Color: B: Silver Grey Material: plastic Package Contents: 1 x Solar Radio Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.