Wireless and Wired Playing:
Supports wirelessly playing music via BT connection; also supports AUX IN / TF card (supports up to 32GB) music playback and FM radio function.
Perfect Music Enjoyment:
Built-in 40mm Neodymium stereo loudspeaker, bright treble, deep bass, bring you perfect music effect and high quality loud sound.
Hands-free with Mic:
Built-in high definition microphone enables you to receive calls and makes your hands free when driving, cycling, hiking, etc.
IP55 waterproof speaker with flashlight function (strong light, week light and quick flashing light) makes it fit for outdoor activities.
Built-in 4000mAh rechargeable battery ensures about 10 hours of working time. S1 can also be used as a power bank to charge your mobile devices.
Note: No fear of rain drops but it can't be immersed into water.