Features and Benefits Wireless Bluetooth streaming Wirelessly stream high-quality sound from your smartphone or tablet. Rechargeable battery Built-in rechargeable Li-ion battery supports up to 5 hours of playtime. Speakerphone Take calls from your speaker with a touch of a button crystal clear thanks to the noise free speakerphone. Great look and feel Simplicity of design in 8 vibrant colors. Integrated carrying strap hook (strap optional). Audio cable input Dont worry if theres no Bluetooth, plug the audio cable into the speaker and enjoy your music all the same.