◆ Wireless listening even in the bath. Waterproof speaker of palm-sized Enjoy music wirelessly in pool and bathroom, convenient waterproof. Because it is a mini body of palm size, and you can carry with ease wherever you wish. ※ There is no completely waterproof. Long period of time, please do not immersed in 45 ℃ or more of water. Liquid as a waterproof the subject, fresh water, tap water is rainwater. Other liquid (soapy water, spring water, pool water, sea water, etc.), or attached to, please do not over. Also, please stop use of the sauna ◆ Easy wireless in Bluetooth & NFC Connect with Bluetooth, you can wirelessly play music of the various players. And if NFC equipped smartphones and tablet, mobile wallet-enabled Android smartphone, completed at a time from the pairing with just a touch up connection. Also, just to touch the NFC-enabled devices in music playback power of the speaker is turned on in, you can enjoy a wireless listening immediately. Can be carried with ease a good sound ◆, rechargeable battery built-in Equipped with many digital amplifier and Circle sound stage with a maximum output of 5W, such as passive radiator, the structure and function of order to achieve high-quality sound in mini body. I will play the powerful sound that exceeds the size. In addition, the stereo pairing function that connects the two SRS-X1 wirelessly, can also be used as a separate speaker. In addition, since the built-in lithium-ion rechargeable battery, you can enjoy it in easy to carry anywhere.