I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Please feel free to contact us if you have any questions. Specifications: Built-in 200mAh battery, headset provides 3.5mm AUX audio cable, supports wired connection, safe and durable. With side button design, bluetooth headset is skin-friendly and fit the ears, comfortable and convenient to use. High-sensitivity FM radio reception, support automatic station search, you can listen to your favorite programs anytime, anywhere. 40mm large-size dynamic drive unit provides strong power, with a fully enclosed sound cavity to show the bass surging of the large unit. Bluetooth 5.0 supports stereo music playback with 10m barrier-free transmission, clear phone calls, allowing you to have a good experience. Built-in decoding chip, earphone supports TF memory card playback, compatible with 32GB, can be turned into MP3 without external equipment. Item Name: Bluetooth Headset Bluetooth Version: 5.0 Battery Capacity: 200mAh(Included) Frequency Response: 20 Hz-20 KHz Operating Distance: 10m Distortion: a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a