{"product_id":"m520-ear-mounted-stereo-bone-conduction-sports-bluetooth-earphone-black-white-pink-skin-color","title":"Bone Conduction Bluetooth Earphones M520 150mAh Black","description":"\u003cdiv\u003e\n\u003cp\u003eBone conduction Bluetooth earphones M520 deliver extended talk time and open-ear listening using a 150mAh battery and Bluetooth 5.2 connectivity for stable audio and hands-free calls.\u003c\/p\u003e \u003cp\u003eThese black bone conduction earphones use an 8mm speaker with 32Ω impedance and a biological diaphragm designed to reproduce transparent mids and flexible lows while leaving the ear canal open. IPX5 water resistance protects against rain and sweat for outdoor use. TWS pairing allows two earphones of any color to form binaural mode; built‑in microphone has -42dB sensitivity and supports caller ID and voice assistant calls.\u003c\/p\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBluetooth version: 5.2 + EDR\u003c\/li\u003e \u003cli\u003eWireless frequency: 2.4GHz\u003c\/li\u003e \u003cli\u003eSupported protocols: A2DP 1.3 \/ HFP 1.6 \/ HSP 1.2 \/ AVRCP 1.6 \/ D11.3\u003c\/li\u003e \u003cli\u003eBattery capacity: 150mAh; charging voltage\/current: 5V\/1A; charging time: about 2 hours\u003c\/li\u003e \u003cli\u003eTalk time: about 48 hours; Listening time: about 26 hours\u003c\/li\u003e \u003cli\u003ePower: 5W\u003c\/li\u003e \u003cli\u003eSpeaker\/impedance: 8mm \/ 32 ohm; microphone sensitivity: -42dB\u003c\/li\u003e \u003cli\u003eWater resistance: IPX5\u003c\/li\u003e \u003cli\u003eWeight: about 36 grams\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSize Guide\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eOverall dimensions: about 7.7 x 4 x 0.9 cm\u003c\/li\u003e \u003cli\u003eLightweight design at ~36 g for extended wear without ear canal insertion\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePackage Contents \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eIncludes: earphone x1, charging cable x1, manual x1\u003c\/li\u003e \u003cli\u003eFeatures: Chinese\/English language switch, low battery display, TWS binaural pairing\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThese M520 bone conduction earphones are intended for hands‑free calling and open-ear music listening during active or outdoor use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Syndmart","offers":[{"title":"Black","offer_id":48583561216218,"sku":"TBD0601819401A","price":23.85,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":48583561248986,"sku":"TBD0601819401B","price":23.85,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":48583561281754,"sku":"TBD0601819401C","price":23.85,"currency_code":"USD","in_stock":true},{"title":"Skin Color","offer_id":48583561314522,"sku":"TBD0601819401D","price":23.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/7062\/9594\/files\/TBD0601819401A.jpg?v=1789121659","url":"https:\/\/syndmart.com\/products\/m520-ear-mounted-stereo-bone-conduction-sports-bluetooth-earphone-black-white-pink-skin-color","provider":"Syndmart","version":"1.0","type":"link"}