Mini Wireless Bluetooth Small Audio Car $ 7.34 Product Information: Features: Music playback Bluetooth call TWS Output voltage: DC-5.0V Material: Aluminum alloy +ABS+ electric ferry Horn: 36mm Battery capacity: Polymer 300mAh Bluetooth version: 5.0 Transmission distance: 10 meters Playback duration: Medium volume cruise 2h Color: Black red pink gold silver blue Size information: Appearance size: 50X31MM Package Contents: Speaker +Charging cable + lanyard + instruction manual*1