The new 10C Evo combines Bluetooth® technology with an integrated 4K camera, allowing effortless communication and video recording at the same time. General Talk time: 17 hours Operating Temperature: -10?C - 55?C (14°F - 131°F) Dimensions: Main Module: 105 mm x 60 mm x 31 mm (4.1 in x 2.4 in x 1.2 in) Speaker driver unit: 36 mm – thickness 6.5 mm Boom Microphone: length 190 mm Wire between Speakers: length 555 mm Weight: main module - 90 g (3.19 oz) Audio Noise Cancellation: Advanced Noise Control™ Codec: Built-in SBC Codec FM Radio: Radio frequency specifications: 76 ~ 108MHz 10 preset station memory photo versatile photo mode 12 MP (4:3) 8 frames per second camera Field of vision: 125 degrees Rotation of the lens up to 30 degrees Adjusting the angle of inclination Aperture: f/2.4 Quality (2160p/30fps - Ultra HD, 1440p/30fps - QHD, 1080p/30fps or 1080p/60fps - Full HD) with a resolution of 3.68 MP (16.9) Video file format: MP4 (H.264) maximum video bit rate: 60 Mb/s (4K) Voice recording with background music Support of MicroSD memory cards up to 128 GB (not included), recommended U3 or higher battery Charging time: 3.5 hours Type: Lithium Polymer Battery wifi 802.11 g/n bluetooth Bluetooth 4.1 Headset Profile (HSP) Hands-Free Profile (HFP) Advanced Audio Distribution Profile (A2DP) Audio Video Remote Control Profile (AVRCP) intercom Working Distance: Up to 1.6 kilometers (1.0 mile) in open terrain Supports up to 4 riders time-lapse mode Single shot every 1 sec or every 10 secs certificates FCC, IC