Chipset: AB5656C, 

Material: ABS+Electroplated, Silicone Mark

Bluetooth version: V6.0

Speaker: 11mm 32ohm

Battery: 25mAh*2 (earphones), 300mAh (Charging case)

Bluetooth range: ≥ 10m

Playback time: About 6H at 60% volume; 

                        About 4H of talk time; 

                        6+18H total with case

Standby time: 180 days

Charging time: About 1H

Full charges from case: 3 times

OVP & music mode & perfect stereo & HD calls

Ear Chip Design