2 in1 Earphone Bluetooth Speaker and Headphone! Magic speaker system design, incredible dual-power built-in low-frequency amplifier design, mid and low frequencies are more shocking, with better sound quality performance. Use the advanced Bluetooth audio decoding chip to support mobile phones, tablets, TVs and other Bluetooth devices paired to play music, Bluetooth transmission distance is more than 10 meters. 2 in1 Earphone Bluetooth Speaker! OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.