1. Waterproof aluminum sealed speaker, and it's 5W speaker, so give you much better quality stereo experience!
2. Aluminum loudspeaker protect net: special coloring process, beautiful, prevent from oxidation
3. The silicone cases and interface design ensure good sealing, effectively prevent dust, can be used under harsh environment)
4. Aluminum alloy metal hook, you can hang on the mountaineering bag or a bicycle, it's very convenient
