Portable Bluetooth Speakers,IPX7 Waterproof Wireless Speaker with 24W Loud Stereo Sound,Deep Bass,Bluetooth 5.0,Dual Pairing,30H Playtime for Home,Outdoor,Party Features: 360 ° panoramic sound effect with unimaginable high pitched,pleasant mid-range,and bass Bluetooth 5.0 Speed Stable Memory Pairing Distance is Longer,Transmission is More Stable,Intelligent and Quick Connection Intelligent voice calling,voice song ordering,high-definition call intelligent noise cancelling microphone,filtering environmental noise, High capacity battery music car with long-lasting new upgrade,low power consumption,large capacity lithium battery,long-lasting of 30 hours,ensuring uninterrupted music 6 modes for playing,switching between intelligent conversations,wireless Bluetooth, card/USB playback High volume payment announcement,real-time voice without delay,supports payment voice announcement,don't every payment Product Description: size:13*8.5*6CM Bluetooth version: 5.0 Bluetooth receiving distance: 10 meters Pronunciation unit: tweeter+double bass diaphragm Battery: 2000mA Product material: ABS+iron mesh Product size: 13 x 8.5 x 6CM Playback mode: Bluetooth/frequency cable/USB drive/memory card/microphone/radio Packaging: Subwoofer * 1 Data cable * 1 Connection Bluetooth connection | Card | USB Frequency response range 100HZ-20KHZ Signal-to-noise ≥75dB Number of speakers: 1 Effective distance 10 meters Box plastic Power mode USB grade IPX 2 Bluetooth version 5.1 Built-in battery capacity 2000mAh-4000mAh (inclusive) Rated power 5 Rated voltage 3.7 technology ABS+metal mesh Is there a built-in battery? Built-in battery 【24W Stereo Sound】 Rich,deep bass and crystal clear sound for an immersive audio experience. 【IPX7 Waterproof】 Splash and submersion-proof design makes it ideal for outdoor activities. 【Bluetooth 5.0】 Seamless,fast pairing with long range for stable wireless connectivity. 【Dual Pairing Function】 Connect two speakers in parallel for amplified sound. 【30H Playtime】 Long battery life for all-day use whether at home,on the go,or partying.