Intelligent Bluetooth Speaker Bluetooth Speaker High Sound Quality Large Volume Home Card Insertion Bass Speaker Features: 360 panoramic effect, unimaginable high -sound, pleasant and low frequency Bluetooth 5.0 stable speed, longer memory pairing distance, more stable gearbox, intelligent and fast connection Smart voice call, voice song request, high -definition call intelligent noise reduction microphone, filtering environmental noise, Large-capacity battery music vehicle, newly upgraded and lasting, low power consumption, large-capacity lithium battery, the range is 6-8 hours, which can ensure uninterrupted music The four colors are exquisite, colorful, rhythmic RGB small and delicate, which is dazzling and chaotic. The RGB luggage lights are what you want. There are four colors to choose from, different personalities and colors. Product Description: Size: 78*78*77mm Bluetooth version: 5.0 Bluetooth receiving distance: 10 meters Pronunciation unit: tweeter+subwoofer diaphragm Battery: 1000mA Playback mode: Bluetooth/frequency cable/USB drive/memory card/microphone/radio packing material Subwoofer * 1 Data cable * 1 Connect Bluetooth | Card | USB Frequency response range: 100HZ-20KHZ Signal to noise 80dB Number of speakers: 1 Effective distance of 10 meters Box plastic Power mode USB IPX Level 2 Bluetooth version 5.0 Rated power 5 Rated voltage 3.7 Technical ABS+metal mesh Do you have a built-in battery? Built in battery