New M1 Hanging Ear Wireless Bluetooth Headset Bone Conduction Pair Ear Strap Mark Waterproof Running Ear Sports True Stereo Business Bone Conduction Headset, White

BT version5.0,suitable for most BT devices,with more stable signal and faster connection speed. Always a pre-production sample before mass production; Always final Inspection before shipment; For more detailed photos, please contact us 100% don't worry about customs issues, contact us for wholesale links Each product is strictly tested to ensure that there is no problem in sending the goods.syi