Otto Engineering NoizeBarrier Micro Rechargeable Electronic Earplug Kit

The Otto Engineering NoizeBarrier Micro Rechargeable Electronic Earplug Kit features a frequency response of 40 Hz to 16 kHz, provides 40 dB of protection, and includes balanced armature speakers with wide bandwidth and low-noise MEMS microphones. The earplugs offer up to 16 hours of use per charge, with the charge station supporting 20 charge cycles. The kit has an IP67 rating, a package weight of 0.69 lb, and dimensions of 5.6 x 5.4 x 2.7 inches.

• Frequency Response: 40 Hz to 16 kHz
• Protection: 40 dB
• Transducers: Balanced Armature Speakers Wide Bandwidth, Low-Noise MEMS Microphones
• Battery Life: Earplugs: Up to 16 Hours, Active Use Charge Station: 20 Earplug Charge Cycles, Via Fully Charged Case
• IP Rating: IP67