The Bluetooth 4.1 enabled Tufftalk Lite is a lower profile and cost-effective version of the original Tufftalk. The lightweight headset allows users to communicate with 3 other workers over 800m, listen to music, and even connect to a smartphone to receive and make calls for up to 13 hours. Seamless Bluetooth intercom communication allows users to talk without interruption with HD-quality speakers and Advanced Noise Control technology delivering audio that’s clear in even the loudest of work environments. The SENA TuffTalk Lite features audio noise cancellation with a noise reduction rating of 21 dB, making it the perfect choice for the working arborist. Specifications: Working Distance: Up to 800 m (0.5 mi) in open space, Supports up to 4 users Noise Reduction Rating: • Over-The-Head Earmuff Type: NRR (ANSI S3.19-1974, US) - 21 dB • Hard Hat Mount Earmuff Type: NRR (ANSI S3.19-1974, US) - 20 dB Battery (Talk Time): up to 13 hours Battery (Charging Time): 3 hours Battery Type: Lithium Polymer Battery Capacity: 750 mAh SENA TuffTalk Lite Helmet Mount System Features: • Enhance industrial communication with an extra degree of necessary protection: Allows users to communicate in loud work environments while maintaining vital awareness, utilizing hand signals, and eliminating distracting sounds • Updated Design: Main module has a lower profile than the original TuffTalk for a lightweight, cost-effective version of the original without compromising quality or protection • Advanced Noise Control Technology: Protect yourself from permanent hearing loss with a noise reduction rating of 21 dB for ear protection thanks to HD-quality speakers • Intercom working distance of 800 M / 880 Yds, supports up to 4 users for instant communication in noisy workplaces • Built in FM Radio • Bluetooth 4.1 enabled • Voice prompts • Companion smartphone app allows the user to take and make phone calls • Heavy protection: Available in hardhat-mounted version while maintaining optimum comfort