Open box, quality check, great. No user manual. Minor box damage.
- EASY TO USE: You can control program and volume adapt to different environment with single switch. Easily adjust volume with just one finger. This makes it ideal for senior people or those have never used any sound amplifier before.
- RECYCLING CHARGING: You can charge the device with USB cable anywhere anytime you want. Say goodbye to purchase and replace batteries repeatedly.Charging 2 hours for working 22 hours.