?LED Portable Bluetooth Wireless FM Stereo Speaker For iPhone Smartphone Laptop Tablet Introduction:Do you like to share the music you love with others?This Mini Speaker is an ideal choice for you.Compatible with many devices such as iPhone｣ｬiPad｣ｬiPod｣ｬMP3｣ｬtabletWireless Bluetooth Speaker Support Answer Calling and TF CardBuilt in rechargeable battery｣ｬcharged by computer via USB interfaceSupport TF card(micro SD TF card)with TF card slot｣ｬcan play MP3 format files in the TF card Can insert the earphone plug into the mom-jack and insert the USB interface into computer or 5V charger for charging Specification:1.Support A2DP｣ｬ AVRCP｣ｬ Headset｣ｬ Hands-free Profile2.Bluetooth Version: V2.13.Working Range: Up to 10m4.Working Time: 5 hours5.Dimension: 60x60x50mm6.Speaker: 45mm7.Loudspeaker Output: 3w8.Frequency Response: 280Hz-16KHz9.Signal-to-Noise: >95dB10.Distortion: <0.5%11.Battery Voltage\/ Capacity: 520mAh12.Battery Charging Voltage: 5V+-0.5V13.BATTERY Charger Time: 2 hours Package included1x USB Data Line1x Bluetooth Speaker More detail: