Simply pair this wireless speaker with your device to enjoy dynamic stereo sound from up to 30 feet away with up to 2 hours of play time! V4.0+EDR, durable design with silicone material, IPX4 waterproof with suction cup shower room, mini portable with carabiner easy to carry for any outdoor activities. Idea for music stores, educational organizations, travel agencies, spots clubs or associations and company thank you gifts. Perfect for office, home or outdoor activities. Comes with a built-in rechargeable Li-ion battery, a charging cable and an audio I/O cord in a gift box. Your logo will be printed on the speaker grill for reminding them of your brand on the daily.