Cyboris SM-828 Wireless Earbud

Basic parameters： Bluetooth version: V5.0 Model: SM828 Waterproof: IPX7 Charging time: 2 hours Battery capacity: 250mAh Duration: 12 hours Charging voltage: 5V / 1A Standby time: 360 hours Headphone Weight: 20g Colors: black / green / red / blue How to switch song? Previous song: Short press "Volume -" for 1s Next song: Short press "Volume +" for 1s How to switch folder playback? Previous folder: Long press "Volume +" for 5 seconds Next folder: Long press "Volume -" for 5 seconds How to download / delete files? After connecting the USB data cable to the computer in any state, the red light will stay on; When the computer reads the disk, enter the disk to manage the headset memory (please use the original data cable) Precautions 1. Please use original data cable and 5V / 1A power supply for charging 2. After using the headset in an underwater environment, make sure the charging port is dry and free of moisture before charging Waterproof notice 1. IPX7 waterproof：The headset will not enter water 30 minutes in 1 meter deep water (Inactive state) 2. The headset does not have the IPX7 waterproof function when the "waterproof ear cap" is not used. Please replace the "waterproof ear cap" in advance and press firmly before entering the water to ensure waterpr- oof performance 3. IPX7 waterproof cannot ensure that the headset will not enter water when it is active underwater. Damage caused by underwater activities such as swimming is not covered by the warranty 4. If water enters the headset, please remove the ear cap immediately and use methods such as blowing, wiping, and drying to drain the water After all the water is drained, you can use it normally