M19 earbuds sell.

Driver: 15mm

Impedance: 9 OHM

Bluetooth version: Bluetooth 5.0

Output power: 40mW;

Battery capacity 35MAH, charging box is 300mh.

Bluetooth distance: 10 meters Frequency response: 20-20000Hz

Operating voltage range: 3.0V-4.2V

Powerful noise de-noising circuit (active noise reduction)

Charging time is about 1-2 hours.

Talk time is about 2-3 hours (a pair of earphones used together), music time is about 2-3 hours (a pair of earphones used together ), Charging box can charge the earphones about 3-5 times.

Charging iPhone Lightening cable is available inside the box