Green Lion SolarEcho ANC – Black

-Solar charging

Bluetooth Version: V5.3

-Working distance: 10m

-Battery Specification: 3.7V 300mAh

-Charging time: 2.5 Hours

– Speaker size: 40mm

– Impedance: 32ohm S.P.L(at 1Khz)

-Active Noise cancelling: -22db

-Frequency: 20HZ-20KH

-Talking time: 20 hrs with ANC; 30 hrs without ANC