The newest bluetooth v4.0 technology-lower consumption, connect your device in 3 seconds, outstanding connection range of up to 33 feets.
2x1.5inch total 7W powerful acoustic drivers play a full-range, abundant stereo audio, loud sound in such a small size.
IPX4 typical shower outdoor speaker(splashproof,shockproof, dustproof&waterproof), rugged construction;
Built-in Li-Ion 1700 mAh rechargeable battery guarantees up to 12 hours playtime( recharge in just 3-4 hours with included micro USB cable);
NFC technology(updated after July 10), Built-in Mp3 player automatically plays the music with a stand alone Micro SD/TF card. Built-in microphone for hands-free speaker phone calling; Easy pairing. Specific remote shutter control function, have fun of taking selfie with this speaker.