Power USB Type-C charging port: Yes Weight and dimensions Right earphone weight: 5.76 g Charging case dimensions (WxDxH): 64.8 x 51.5 x 27.8 mm Charging case weight: 40.06 g Product weight: 51.6 g Left earphone weight: 5.76 g Efficiency Virtual Surround Technology: Dolby Atmos Personalized surround sound: Yes Application: Calls/Music/Sports/Everyday Wearing style: On-ear Headset type: Stereo Control Type: Touch Security features: Waterproof Virtual surround: Yes Suitable for indoor use: Yes Product color: Green Signal-to-noise ratio: 62 dB Color name: Trekking Green Suitable for external use: Yes Product type: Headset Plug & Play Support: Yes Package contents Built-in display (charger): No Charging case: Yes Cables: USB Type-C AC adapter: No Quick Start Guide: Yes Ports and interfaces Connection method: Wireless Bluetooth version: 5.0 Bluetooth: Yes Battery Battery capacity (charging case): 520 mAh Battery charging time (charging case): 1 h Continuous audio playback time (without ANC): 8 h Left earphone battery capacity: 46 mAh Right earphone battery capacity: 46 mAh Continuous audio playback time (with charging case): 37 h Charging source USB Wireless Music playback time: 8 h Supported battery type: Built-in Wireless charging: Yes Battery powered: Yes Fast charging time: 10 min Battery charging indicator: Yes Fast charging: Yes Microphone Microphone type: Built-in microphone Number of built-in microphones: 2 Headphones Noise Cancellation: Yes Noise reduction type: Active Headphone construction: In-ear Earphone type: In-ear headphones Speaker diameter: 1.2 cm Number of transducers: 2 Headphone sensitivity: 86 dB Base station Base Station Color: Green