... player,Seven colors LED light,Built-in Li-ion battery Support Udisk,SD/MMC card,card ... possible!FeatureMedia player Seven colors LED light Built-in Li-ion battery Support Udisk, SD/MMC card, card ... ratio: >75db Material: environment protection ABS Power supply: Li-ion battery 3.7V 800mAh Dimension: 155*83*50mm ... audio-in cable 1×User’s manual Built-in Li-ion Battery Media Player with LED Color Light ( ...