In Ear Headphone Wired Bluetooth Earphone for Apple IPhone 10 11 Pro X XR XS Max 7 Plus Earbuds with Mic Ear Phone Not Wireless Feature of product: 1) Bluetooth connection lighting interface headset 2) After connecting with the Apple 7 mobile phone Bluetooth, you can select up and down selection, control volume, pause, call and other functions; 3) Import chips, without loss of digital sound quality; 4) Ultra thin film copper ring speaker, heavy bass effect. 5) The default is crystal box packaging. Instructions for use: After plugging it into the phone for the first time, please turn on the Bluetooth function in the "settings" of the phone. After a few seconds, the phone will find a Bluetooth device with the device name Lighting. Click the pairing connection to connect successfully. Just connect automatically when Bluetooth is turned on. Very convenient, do not have to manually connect every time. Lava: Drive unit: 15mm / 6u (true copper ring horn) Sensitivity: 110dB Frequency Response Range: 20Hz--20KHz Note: please see the headset connector clearly when placing an order. This headset is suitable for Apple phones and Android phones. 1. For 3.5mm phone. 2. For type-C phone. 3. For iPhone phone. Please see clearly. Thank you.