Specifications:The speaker has a mini compact size, which is easy to carry outdoors.With 1200mAh large capacity battery, it is rechargeable and has long service time.It comes with bluetooth-compatible 4.2 chip, which can be connected within 10 meters with stable signal.It supports 32GTE card to store nearly ten thousand music.With button operation, it is easy to use.Item Name: Wireless SpeakerMaterial: PlasticWorking Voltage: 3.3-4.2VSpeaker Power: 5WBattery Capacity: 1200mAh (Included)Charging Time: 2-3 HoursFrequency Response Range: 20Hz-18kHzSignal to Noise Ratio: 65dBDistortion Degree: 0.3%Features: Rechargeable, Mini, Easy to OperateSize: 9.5cm x 7cm x 6cm/3.74" x 2.76" x 2.36" (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 Speaker1 x USB Charging Cable