A wonderful piece of design Astrum ST400 is purely made for portability and durablity, this sturdy speaker is equipped with 25W RMS power output releasing deep and powerful bass making it an excellent and efficient speaker perfect for your outdoor activities.

• True wireless 5W RMS IPX5 water resistant portable speaker.
• Supports TWS stereo interconnection and aux-in and USB.
• Solid battery for 8 hours melodious tunes.