For Insta360 X4 Air PULUZ Snap-on Optical Tempered Glass Lens Guard Protective Cover, For Insta360 X4 AirFeatures 1. Material: PC + optical tempered glass, pressure resistant and corrosion resistant 2. Optical tempered glass lens with a hardness of 9H. Optical tempered glass is about ten times harder than plastic protective lens. The surface hardness of plastic is generally 1H, while that of tempered glass can reach 10H, No longer afraid of scratches, more durable and more transparent than plastic protective lens. 3. The transmittance of the lens

Dynamic Range: 114dB (per IEC651)

** KU-BAND: 13

it won't disrupt your work or study environment

Whether it's replacements you need or a refund

Frequency range: 35Hz-18KHz

Take a moment to unwind

Designed to keep your living space free from cockroaches

The models that are imported from Europe & are European versions have  2-year manufacturing Warranty from Samsung

Photo paper size: 56 x 26mm

and the three-screen digital display can see the power

high data and stability

Multi-Standard SSD Supported