Specifications: The wireless speaker also can be used as thermometer, FM radio, receipt announcer and alarm clock. When it works as an alarm clock, it works silently without causing any disturbance to your family. You can set 2 sets of different alarms, which is convenient to use and has high efficiency. Bluetooth and TF card modes are supported to play music. It has built-in microphone to provide high quality music for you. Item Name: Wireless Speaker Material: ABS Bluetooth Version: 5.0 Frequency Response: 80Hz-20KHz Battery Capacity: 1200mAh (Included) Output Power: 3W Charging Input: DC5V/1A Speaker: 3Ω/5W Signal to Noise Ratio: ≥85dB Distortion: Features: Wireless, with Mic, Dual Modes Size: 14cm x 6.8cm x 4cm/5.51" x 2.68" x 1.57" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Speaker 1 x USB Charging Cable 1 x User Manual