Product information:

Model: T9
Function: call function, support music, power display, multi-point connection
Headphone material: plastic
Channel: 2.0 Bluetooth
Version: 5.1
Color classification: Standard version [1200 mAh charging bin + caller number], high-end version [2000mAh charging bin + caller number + Bluetooth 5.1 chip], flagship version [2500mAh charging bin + caller number + import Bluetooth 5.1 chip + high-speed and stable transmission], flagship upgraded version [3500mAh charging compartment + caller number + imported Bluetooth 5.1 chip + high-speed and stable transmission]
Headphone Category: Active Noise Cancelling Headphones
Waterproof performance: IPX7
How to use: earplugs
Transmission radius: 10m
Whether it is single or binaural: bilateral stereo

Battery capacity: 60mAh
Charging compartment capacity: 2500mAh
Charging time: 1-2h
Shell material: ABS+PC

Packing list:

Bluetooth headset*1set