Promote your brand with these 2-in-1 Wireless Earbuds and UL Listed Powerbank! They come in a 3" x 2 1/4" x 1 1/4" black protective plastic travel case. The earbuds have high definition Bluetooth® 4.1 technology and built-in microphone. They pair from up to 30 feet away to handheld devices for dynamic stereo sound or hands-free calls. The earbuds have a 40 mAh battery and provide up to three hours of play time. Earbuds store in the powerbank's magnetic charging cradle. The powerbank features LED indicator lights, USB output, micro USB input (cord included) and 2000 mAh lithium ion grade-A non-recycled battery. Power Bank Output: 5 Volts/1 Amp. It works with most smartphones and audio devices and requires the user's device's charging cord to charge. Impress recipients with a wonderful gi