F9-5C Jerry Solution Touch Bluetooth Earphone with Magnetic Charging Box, Support Three-screen LED Power Display & Power Bank & Call & Siri & Hand Strap (Black) Tag-12.9 inch 2015 automatic gain control provides stable

automatic gain control provides stable audio output

Charging: Use the DC-5V charger and micro USB charging cable

including anti-theft installation

Wrist Strap Design: A small wrist strap is very convenient when you have no more hands to carry your phone

F9-5C Jerry Solution Touch Bluetooth Earphone with Magnetic Charging Box, Support Three-screen LED Power Display & Power Bank & Call & Siri & Hand Strap (Black) Tag-12.9 inch 2015 automatic gain control provides stableFeatures: 1. Bluetooth 5. 0 technology, no game delay 2. CVC8. 0 noise reduction, clear calls; HiFi sound 3. Fingerprint touch, simple operation; can wake up Siri 4. The earphones can be used singly, or two together; the earphones will be automatically turned on and paired when they are taken out of the charging box 5. Use with magnetic charging box for long lasting battery life; the charging box has the function of a power bank; the charging box has