Bluetooth Wirelesspeaker up to 30 feet away Built in rechargable Li-Ion battery delivers up to 6 hours of play SPEAKERPHONE - built in microphone so you can take calls Built in Stand Listen to your music with the whimsical wireless Jamoji Bluetooth® Speaker from HMDX Audio. The speaker lights up when you turn it on and with it's built-in rechargeable batteries and high-quality sound, they let you take the music and fun wherever you go. Chocolate swirl. They also make perfect gifts.