BlueNEXT New Wireless Touch Earbuds TWS In Ear Headset Earphone

Chip: AD6973D4

Bluetooth: Bluetooth V5.3
Headphone battery specification: Lithium battery 430911 30mAH
Charging compartment specification: Lithium battery 651530 260mAh
Music playback time: approximately 5 hours; Talk time: 3 hours
Communication distance: 10m (without obstacles)
Dual ear communication, automatic pairing upon startup
Support for master-slave switching
Sound effect: Hi Fi sound effect, chip intelligent noise reduction
Horn sensitivity: 108+/-3dB
Charging port: TYPE-C