gWireless Bluetooth streaming- Wirelessly stream high-quality sound from your smartphone or tablet.5 hours of playtime- Built-in, rechargeable Li-ion battery supports up to 5 hours of playtime.Waterproof design- The IPX7 waterproof housing makes GO 2 perfect for worry-free listening by the beach or poolside, or even in it.Speakerphone- Enjoy crystal clear conference calls over your speaker with the noise free speakerphone.Audio cable input- Don’t worry if Bluetooth is not available, plug the audio cable into the speaker and enjoy your music all the same.