Teckwe Bluetooth 5.1 Sleep Earbuds – In-Ear Wireless Headphones with LED Display Long Battery Valentine’s Day Gift

Principle of Sound Production: Dynamic
Ear Coupling Style: In-ear (Insert)
Impedance Range: up to 32 Ω
Pattern Type: Plain
Noise Cancelling: None
Wireless Version: 5
Interface: Type C
Driver Unit: 5mm
Features: Basics
Color: Black
Type: In-ear
Battery Type: UN 3480
Power Supply: USB or other DC power connection
Material: ABS