The world's first solar Bluetooth speaker, with unique Solar Photovoltaic chip. Can be charged through either solar energy or USB cable. It's very environment friendly with non-polluting. Besides, with build-in high-efficiency Class D digital amplifier, M5 will bring you the high quality enjoyment of music. Features: The world's leading solar cell-SunPower Photovoltaic chip, photoelectric conversion rate 22.5%, leading the industry standard. Core technology from electric vehicle battery, reliable and recognized as the most secure explosion-proof battery in the world. Battery life≥2000times; Life time 10years; 5times the cellphone battery Outdoor weather protection technology, waterproof and dustproof to IP44 level, can be used in wind and rain. Anti-ultraviolet, anti-oxidation and anti-fade, color longer-lasting. Oerall structure extends all-round, balanced dissemination of audio, 360°all-direction transmission. Full-range speaker(2.75 inch) with high sensitivity, which brings high-fidelity sound quality. High stable MCU controller, anti-distortion. Specification: Ambient Condition: -10℃ ~ 60℃ Audio Output Power: 3W Charge time: 10hours by solar energy or 5hours by USB cable Battery working time: 10hours Bluetooth Effective Distance: ≤10m Package Including: 1 * Kinna M5 Speaker
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