Shokz OpenComm2 USB-C Wireless Bone Conduction Headphones + USB-A Adapter Black

Technical details Easy pairing: Yes Warranty period: 2 years Weight and dimensions Product weight: 35 g Product height: 68.3 mm Product depth: 170 mm Product width: 135 mm System requirements Mac operating systems supported: Yes Mobile operating system support: Yes Windows operating systems supported: Yes Efficiency Product color: Black Bone conduction sensor: Yes Cable length: 1 m Control Type: Touch Clear sound: Yes Operating buttons Volume + Bluetooth pairing Volume - Reject call Answering/ending calls Silence Built-in switch: Yes Cable color: Black Wearing style: On-ear Application: Office/Call Center Housing material: Plastic, Titanium Detachable cable: Yes Volume control: Touch Maximum sound pressure level: 96 dB Plug & Play Support: Yes Product type: Headset Packaging data Weight with packaging: 377 g Packaging type: Box Package depth: 170 mm Package width: 135 mm Package height: 68.3 mm Package contents Quick Start Guide: Yes AC adapter: No Cables: USB Type-C Certificates Waste Electrical and Electronic Equipment (WEEE) Disposal: Yes Ports and interfaces Bluetooth: Yes Connection method: Wireless USB connector: USB Type-A Frequency response (talk mode): 20 - 20000 Hz Wireless router range: 29 m USB connection: Yes Battery Battery voltage: 5.25 V Battery capacity: 183 mAh Number of batteries supported: 1 Standby time: 336 h Charging source: USB Wireless charging: No Battery powered: Yes Charging time: 1 hour Battery type: Lithium Talk time (ANC off): 16 h Logistics data Products in the main (outer) box: 24 pcs. Gross weight of shipping box (inner): 410 g Width of the collection box (external): 300 mm Main (outer) case length: 375 mm Shipping box length: 13.5 cm Height of the standard (outer) box: 445 mm Main (outer) housing gross weight: 10.4 kg Products per shipping crate (inner): 1 pc. Delivery box height: 17 cm Delivery box width: 6.8 cm Microphone Noise-canceling microphone: Yes Number of built-in microphones: 1 Microphone type: Boom Microphone mute: Yes Microphone sensitivity: 38 dB Safety warning Warnings Keep away from children. Check the condition of the batteries regularly to prevent leakage. Do not use near sources of heat or fire. Headphones Wire material: Copper Noise reduction type: Active Noise Cancellation: Yes