TW20 bluetooth headset 5.0 Realtek dual in-ear metal

Speaker: high-quality true copper ring speaker
Chip: Jerry 6 series, support up and down song, increase and decrease volume, pop-up link
Playing time: 4-5 hours

Standby time: 40 days

Talk time: 4 hours

Headphone battery capacity: pure cobalt 50 mA
Charging box battery capacity: pure cobalt 500 mAh
Effective distance: 20+M
Standard configuration: earphone*2 + charging box + USB charging cable + manual + packing box