Brand: MARVEL
Transmission range: 10 meters
Function: super long battery life, no delay
Bluetooth protocol: 5.0
How to use: in-ear
Whether single or double ears: Bilateral stereo
Color: Iron Man-Red, Black Panther-Black, Captain America-White
Battery life: 4-8 hours (hours)
Style: IP co-branding
Waterproof performance: IPX5