Intelligent Bluetooth Speaker Bluetooth Speaker High Sound Quality Large Volume Home Card Insertion Bass Speaker Features: Double horn HIFI sound quality, super long and continuous aviation sound is clever and portable. No broken sound bass naturally balanced output of 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, range is 8-10 hours, which can ensure uninterrupted music. A built -in colorful light mode, cool and flashing enjoyment of wonderful music, can also appreciate the colorful lights that the , colors, rhythmic RGB small and delicate, dazzling, making people dazzling. Product Description: Size: 175*83*86mm Bluetooth version: 5.0 Bluetooth receiving distance: 10 meters Pronunciation unit: tweeter+subwoofer diaphragm Battery: 1200mA 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