IPX5 Waterproof Rating Enjoy your music anywhere with the speaker's IPX5 waterproof rating, perfect for outdoor use or unexpected spills. Portable Design The lightweight and compact design makes the Zealot-S51Pro easy to carry, ideal for on-the-go entertainment. Bluetooth 5.0 Connectivity Stay connected with the latest Bluetooth 5.0 technology, offering faster pairing and improved audio transmission. TWS Boom Box Functionality Pair two speakers for a seamless sound experience, doubling the bass and enhancing your audio immersion. High-power 40W Output Experience powerful sound with the Zealot-S51Pro's 40W high-power output, ensuring a thrilling audio experience. Selling Point Battery capacity: 4000mAh Bluetooth version: 5.2 Speaker: 40W Transmission distance: 10m Frequency response: 20Hz-20KHz Signal to noise ratio: ≥ 85dB Working voltage: 7.4V Distortion:<1% Charging voltage: DC5V Charging interface: type-c TF card playback: 2.5-3.5h Standby time: ≥ 30 days Charging time: 5-6H Standard Package : 1 x Zealot S51Pro bluetooth speaker 1 x USB charge cable 1 x English manual BRAND INTRODUCTION Zealot Digital Technology Co., Ltd., established in August 2010, is a high-tech enterprise that has been committed to the field of digital products for a long time, integrating R&D,production, sales and service. The company takes market demand as the starting point, seeks innovation, promotes development, and achieves customer needs with the awareness of sincere cooperation and the service concept of improving the quality of life of the public. The products are popular in the digital audio-visual market with their advanced technology, first-class quality, exquisite and fashionable appearance, and considerate after-sales service. FAQ Keeps cutting out when playing Please ensure the speaker is within the operating range and there are no obstacles between the speaker and the device Not able to connect to your device 1. Restart the speaker and try again Not able to play the music in Micro SD card 1. Please ensure the format of the Micro SD card is FAT32. It only supports FAT32 Micro SD card 2. Please ensure the formats of the music files are APE, FLAC, WAV, WMA or MP3 No sound when playing 1. Please adjust the volume of the speaker 2. Please adjust the volume of your device 3. Please check if the speaker is paused No sound in AUX-in mode Please ensure the audio cable is connected well Not able to turn on Please try to charge the speaker for about 3 hours No respond to any operation Please try to reset the speaker by pressing the reset button in the AUX-in jack