Welcome To Our Store:Product features: a Bluetooth link play music， support TF card， FM radio， handsfree， English speech sowing date， support AUX AUDIO INPUTStandard products: audio， audio line， charging lineSize: 7*7*7 cm;Color: black， white， blue， pinkAdjustment mode: buttonHorn size: 50 mmDouble trumpet: a diaphragm 16 core dual magneticSNR: more than 80dBRated power: 3WTransmission distance: 10 metersBattery capacity: 1200 MaRated voltage: 5V DC