Description:With built-in high-performance and large-capacity battery, the speaker longer playback and longer battery life.The speaker allows you to enjoy powerful sound because it has super bass 360-degree surround sound effect and HiFi sound quality.It is made of high-quality ABS material, which is solid and durable. And the retro speaker features small and compact, which is easy to carry.The length of the product is 92mm, the width is 92mm and the height is 46.5mm.The speaker is compatible with 99 percent of Bluetooth-compatible devices on the market, mobile phones, tablets, computers and other devices. And it supports multiple playback modes, TF card plug and play.Item Name: Bluetooth-compatible SpeakerMaterial: ABSBluetooth-compatible: 5.0Battery Capacity: 500mAh (Included)Frequency Response: 100Hz-20000HzOutput Power: 3WCharging Voltage: 5V/1ASignal to Noise Ratio: 70dBBluetooth-compatible Distance: 10MInterface Type: USBPlay Format: MP3, WMA, WAVPlay Mode: Bluetooth-compatible/TF CardMusic Time: 7 HoursStandby Time: 200 HoursFunctions: Radio, Bluetooth-compatible Speaker, Call, AUXApplicable Type: Compatible with 99 Percent Bluetooth-compatible Devices on the Market, Mobile Phones, Tablets, Computers and Other DevicesFeatures: High Volume, HiFi Sound Quality, Long Battery LifeSize Details: 9.2cm x 9.2cm x 4.65cm/3.62" x 3.62" x 1.83" (Approx.)Notes: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 Bluetooth-compatible Speaker1 x Charging Cable