Wireless Induction Speaker Mobile Phone Intelligent Resonance Wireless Phone Amplifier Sound Speaker, Hands- Call, Long Battery Life Product parameters： Product Name: Wireless speaker Material: ABS Product color: Black Product size: 14.4x10.4x9.4cm/5.67x4.09x3.7in Packing size: 15x11x10cm/5.91x4.33x3.94in Gross weight: 300g/0.66lb Output power :3W Power input:5V,500mA Playback duration: about 6 hours Battery capacity: 750mAh（built-in battery） Power interface: USB Sensitivity: (induced voltage) 40mv Distortion:<3% Maximum volume: 93db+(-) 3% Product description: The wireless induction speaker, while being easy to carry, does not weaken its full sound quality. of course, it can also serve as a phone stand to your hands, making music a pleasure to be with you Portable and lightweight, the speaker weighs just 260g and can be easily placed in a bag when going out, with a small volume and high volume The speaker adopts passive membrane resonance, resulting in performance, and the two sound producing units make the music more powerful This wireless sensing speaker is commonly used in most smartphone models, and can be used within the product sensing area with just the phone speaker position. Built-in high-sensitivity call microphone, which automatically suppresses noise and improves its sensitivity to follow the surrounding bad environment. It can carry out hands- calls and voice chat Package Included: 1xBluetooth speaker 1xUSB charging cable 1xInstructions