SHINY 2 - TWS AURICULARES BLUETOOTH EARPHONES WITH CHARGING BOXCLEAN AND ERGONOMIC DESIGN - SMALL SIZE - LIGHTWEIGHT AND ULTRA COMFORTABLE - BLUETOOTH 5.1 - WITH TRUE WIRELESS TECHNOLOGY, NO MORE CABLES - CHARGING BOX TO EASILY STORE, TRANSPORT AND CHARGE YOUR HEADPHONES - COLORED BOX - THE BOX"S BACK-UP BATTERY ALLOWS YOU TO EXTEND THE BATTERY LIFE OF THE EARPHONES - BATTERY INDICATORPOWER SUPPLY: BUILT-IN 25 MAH LITHIUM-POLYMER BATTERY - AUTONOMY: 20 HOURS - RANGE: 10 METERS - CONNECTIVITY: BLUETOOTH 5.1 - MAGNET DIAMETER: 10 MM - CHAREG: USB-C IN 1H - FREQUENCY RANGE: 20 - 20,000 HZ - IMPEDANCE : 32 OHM - INTEGRATED UNIVERSAL MICROPHONE - SENSITIVITY: 95 DB - TYPE: SEMI IN-EAR - COLOR. GREEN