Wysokiej jakości bezprzewodowe słuchawki douszne Bluetooth Sport

Product Specification : Frequency Response: 150 - 18KHz Impedance: 32 ohm Sensitivity: >=80db Bluetooth: 4.2 Version Bluetooth Distance: Up to 3m Support A2DP, AVRCP, HSP, HFP Support smartphone answering function 60mAh Built-In rechargeable battery Continuous music playback: Up to 3.5 Hours Continuous talk time: Up to 4 hours 5V USB battery charging Product Features: Slim and lightweight Bluetooth earphone for active sport In-ear design isolates ambient noise for high clarity Built-in microphone to support phone calling Convenient one-button control to allow answer/reject calls or pause/play music Volume control present Attention: ⭐ Quality testing will be carried out before the product is sent out of the warehouse. ⭐We are committed to providing customers with exquisite products and excellent services. ⭐If you encounter quality problems after receiving a product, you can contact us first. ⭐If you haven't already contacted us and rated us directly. ⭐We believe that you are not an honest buyer and therefore give up after-sales opportunities. ⭐We will not handle any after-sales problems for you.