Specifications:Mini and compact, easy to carry.Bluetooth wireless connection, supports hands-free call.Heavy bass effect, which can brings you excellent listening experience.Item Name: bluetooth-compatible SpeakerMaterial: ABS + FabricSpeaker Unit: 1.2inch, 4Output Power: 3WWireless Transmission Range: Frequency Rage: 100Hz - 20KHzBattery Capacity: 300mAh (Included)Charging Time: about 1.5 HoursWorking Time: about 9 HoursFeatures: Portable, Mini, RechargeableDiameter: 40mm/1.57" (Approx.)Height: 44mm/1.76" (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 bluetooth-compatible Speaker1 x Charging Cable1 x User Manual