TWS T13 Bluetooth 5.0 Wireless Earphone band Handsfree Earbuds with Wrist Band

Acoustic diaphragm: graphene carbon nanotube diaphragm
Sounding unit: 6mm customed hifi miniature full screen unit
Acoustic structure: closed
Magnet type: Rubidium iron boron
Frequency response range: 20Hz-20KHz
Standby: about 40 hours
Call: about 6 hours
General: HIFI sound quality, adaptive noise reduction, true wireless stereo, waterproof and dustproof
Colour of Earphones: Black
Material: TPU
Package List:
1x Host
1 Data cable
1 Instruction manual