https://linktr.ee/nerv5th
https://www.aliexpress.com/item/10050...

Brand Name: Lenovo
Style: In-ear
Vocalism Principle: Dynamic
Origin: Mainland China
Active Noise-Cancellation: No
Control Button: Yes
Communication: True Wireless
Volume Control: Yes
Certification: CE
Number Of Drivers: 2
Drivers size: 13mm
Plug Type: None
Impedance Range: up to 32 Ω
Support Memory Card: No
Waterproof: Yes
Frequency Response Range: 20 - 20000Hz
Wireless Type: Bluetooth
Resistance: 32Ω
Sensitivity: 102dBIs
wireless: Yes
Playtime: 4h per bud
Playtime: 20h in case
Connectors: None
Bluetooth Version: 5.3
Total Harmonic Distortion: 1%
Charging Method: Charging case
Max Output: 10m
WSupport APP: No
Function: for Video Game,Common Headphone,For Mobile Phone,HiFi HeadphoneWith Microphone: Yes