The new 457 Drive-Thru Headset is compatible with Attune I and Attune II systems
Durable ECM (Electret Condenser Microphone) single microphone.
Hard metal boom.
Dual-sided LED status light.
Replaceable Microphone guard with filter.
Enhanced ear pad with replaceable filter.
Improved head adjust pad for increased durability.
Upgraded battery life by 17%.