CP0256B Features Bluetooth wireless data transmission for high quality stereo bass sound Hands-free calling function Supports music play from an external TF card FM radio function Equipped with a miniature suction cup Features a stand function for mobile phones or tablet PCs General Specs Brand & Model KB-06 Color Black Bluetooth v3.0 Output Power 3W S/N Ratio ＞ 60 dB Operating Voltage DC 5V Interface Micro USB Working Time 8 hours Compatibility Mobile phones， MP3/MP4 players， table PCs and laptop computers