Item Type: Wireless Bluetooth Speaker Material: Plastic, Electronics Bluetooth Version: 5.0 Power Input: 5V 1A Frequency Response: 80HZ-20KHZ Fm Broadcast Frequency: 87.5-108MHZ Output Power: 5W THD=10% Speaker: 4 Ohms 5 Watts Distortion: Less Than 0.5% Signal to Noise Ratio: Greater Than or Equal to 85 db Memory Card Slot: Maximum Support 512GB Memory Card (Not Included) Battery Type: Built In 1200mAh Lithium Battery (Included)1,MULTIFUNCTION: Bluetooth stereo speaker features mirror clock display, dual alarms, real time temperature, voice announcement, FM radio. 2,AUX MODE, MEMORY CARD MODE: Bluetooth stereo speaker is available in AUX mode, memory card mode, more than just bluetooth connection, more options. 3,HD NOISE CANCELLING MICROPHONE: Speaker has a built in noise canceling microphone, professional radio, clearer vocals, no delay in calls, free your hands during the call, easy to answer the phone. 4,SUPERIOR SOUND: Clock speaker uses bass large diaphragm 4 ohm 5 watt speakers, the combination of the two to create three dimensional shocking bass, enjoy the passionate sound wave. 5,DUAL ALARM CLOCK: The stereo speaker has a built in humanized alarm clock function, you can set two alarm clocks to enjoy different fun every morning.1 x Speaker 1 x Charging Cable 1 x Instruction Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store