Cheap Bluetooth 5.0 Bone Conduction Earphone Brief Introduction IP55 water proof, over ear type, MIC/USB charging port in 2 hours, up to 6 hours playing music + phone talking, Bluetooth 5.0 available within the range of 10 meters (33 feet), modern design and very fine cosmetic & touch, user friendly control.Bluetooth Bone conduction earbuds would be your best wireless ear buds experience . Product Main Features & Parameters Wireless transmission: Bluetooth V5.0 Bluetooth Protocol: A2DP, HFP, HSP, AVRCP, GAVDP, AVDTP Receiving Sensitivity: 88dBm Frequency range: 20鈥?0KHz Charging time: Micro USB port 2 hours charge CE/RoHS/FCC: Certified Battery: 200mAh power Playing time: 6 hours Standby time: 10 days User Manual 1. Long press the power button for 3 seconds to power on the headphone 2. The red and blue lights flash alternately when entering the pairing mode after Bluetooth headset power on(if it doesn鈥檛 enter pairing mode, please press the multifunction button for 3 seconds until the red/ blue lights flash alternately) 3. Open the Bluetooth function on your cell phones or the devices. Then search the bluetooth devices and choose pairing item name, enter "0000" pin number if you require. Notes: 1. When the distance in between the headphones and the bluetooth devices further than 10 meters(33 feet), the bluetooth headphones will disconnect from the devices.then, once they are within the range, they will automatically reconnected. However, if the bluetooth headphones with the devices disconnected exceeded 3 minutes, you may need to double click the Multifunction Button to reconnect the devices. 2. If the Bluetooth headphone is paired, long press the multifunction button for 3 seconds, the bluetooth headphone reenters the pairing mode in which other cellphones can find the bluetooth headphone and connect it. FAQ 1. Q: Does your factory provide the engineering support in terms of design? A: Yes, We have engineering staffs to coordinate the concept with customers. 2. Q: Does your company provide the warranty? A: Yes, we provide 12 months warranty. 3. Q: How's your product quality? A: We have very strict quality control mechanism to ensure every device with full quality test before packing and shipping. 4. Q: How many percentage of capacity is available now ? A: At the moment, we have around 40% of capacity available. 5. Q: What surface treatment your factory can do ? A: We can do Anodizing, Plating, Painting, Polishing, etc.to customize the unique appearance. Packaging Design Example ( can be customized ) Logo story Our registered trade mark represents the tensile & tough spirit, the mark looks like a capital K shape, a symbol of an aggressive tiger is ready to hunt the goal, this reminds us always be proactive & be eager to make progress.Cheap Bluetooth 5.0 Bone Conduction Earphone website:http://www.kedocons.com/earphones/bluetooth-5-0-bone-conduction-earphone/