Features: [BT 4.2] This speaker supports BT device with A2DP function. Integrated with BT, it can be connected with BT devices within 10 meters. [Delicate Appearance Suction Cup] Unique shape with suction cup design, can be used as mobile phone bracket and can be sucked on the wall. [Waterproof] IPX6 waterproof with suction cup, can be used in bathroom or outdoor. [High Fidelity Sound Quality] Enjoy crisp and clear audio with impressive 360Surround Sound powered by a 1.5W acoustic driver. [Endurance Time] Safe and rechargeable lithium 700 mAh battery offers about 6 hours of music time depending on music volume.