Upgraded bluetooth-compatible 5.0 chip and mini compact design, this product is more stable, low power consumption and barrier-free effective transmission distance of 10 meters, and it is light and easy to carry so that you can enjoy beautiful music anytime, anywhere.With strong compatibility, it is suitable for mobile phone, tablet computer, notebook computer bluetooth-compatible connection for playback, and no delay in calls allows you to easily receive every call while listening to the song.Made of plastic and electronic components, this product is more strong and sturdy.The length of earphone is 7.5cm, the width of earphone is 7.5cm and the height of earphone is 3cm.It is suitable for cooking, party, yard work, garage, campfire, hiking, biking or beach, whatever you need it to do.Item Name: bluetooth-compatible SpeakerMaterial:Plastic,Electronic ComponentBatteries: Built-in 900MAH Battery (Included)Charging Time: 4 HoursOutput Power: 3WOperating Voltage: DC 5VPlayback Time: 5-10 HoursBluetooth Version: V5.0Signal to Noise Ratio: More Than 70dbPlayback Format: MP3,WMASupport Format: TF CardSeparation Degree: More Than 90DBSize:7.5cmx7.5cmx3cm/2.95inx2.95inx1.18inNotes: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.Package Includes:1 X Speaker1 X USB Charging Cable1 X User Manual