Mesh Networking creates near-limitless connectionsMesh is a self-optimizing and self-healing network, always looking for the best connection and seeking a new one when a device disconnects. Tufftalk M features two different Mesh modes: Open Mesh and Group Mesh. With Open Mesh, a near-unlimited number of users can connect to each other within an effective range of .7mi. For private sessions, Group Mesh supports up to 24 participants. Tufftalk M also features 4-way Bluetooth intercom in order to connect to Sena's Bluetooth-equipped devices. Up to .7 miles of range in open terrain. (Can extend up to 2.8 miles between 6 riders at 1 mile apart) 9 Open Mesh Channels (similar to how two-way radios work, but in full duplex) Private Group mesh intercom for up to 24 users. Up to 8 hours of mesh intercom talk time (13 with Bluetooth intercom) 26dB Noise reduction 1-year Warranty What's Included Headset USB Power & Data Cable Boom Microphone Microphone Sponges Downloads TuffTalk Quick Start Guide Sena Utility App Apple Sena Utility app Google Play Specifications GENERAL Dimensions & Weight: Headset: 5.9 in x 7.6 in x 3.8 in Speaker Driver Unit: 1.3 in - thickness 0.3 in Boom Microphone: length - 3.9 in Over-the-Head: 12.5 oz INTERCOM Working Distance: Bluetooth Intercom: up to 440 yards in open space Mesh Intercom™: up to .7 miles in open space**can extend up to 2.8 miles between a minimum of 6 users (in open space). Supports up to: Bluetooth Intercom: 4 users Mesh Intercom™ (Open Mesh): virtually limitless users Mesh Intercom™ (Group Mesh): 24 users NOISE REDUCTION RATING Over-the-Head Earmuff Type: NRR (ANSI S3.19-1974, US) - 26 dB AUDIO Noise Cancellation: Advanced Noise Control™ Codec: Built-in SBC Codec FM Radio: Radio frequency specifications: 76 ~ 108MHz 10 preset station memory BATTERY Bluetooth intercom: up to 13 hours Mesh intercom: up to 8 hours Charging Time: 3 Hours Quick Charge: 20 minutes of charging equals 3 hours 1400 mAh Lithium Polymer Battery CERTIFICATES CE, FCC, IC
