OverviewWireless Connectivity - Bluetooth 5.3 technology for stable and seamless audio streaming.Rechargeable Battery - Built-in lithium battery for portable use without constant power supply.Dual Speakers - Enhanced sound quality with dual speaker configuration.Wide Compatibility - Suitable for multiple scenarios including home, outdoor, and karaoke.Voice Prompts - Features voice alerts for user-friendly operation. SpecificationsConnection Method: BluetoothBluetooth Version: 5.3Frequency Response Range: 100Hz-20kHzSignal-to-Noise Ratio: ?75dBNumber of Speakers: 2Effective Distance: 10 metersPower Supply: Built-in lithium batteryRated Power: 5WRated Voltage: 5VBox Material: ABSAdditional Features: Anti-fall, voice prompts, collection announcementWaterproof Rating: Not waterproof Packing ListWireless sensor audio1USB charging cable1User manual*1