Weight and dimensions Left earphone weight: 6.5 g Charging case weight: 39 g Product weight: 52 g Right earphone weight: 6.5 g Efficiency Security features: Sweat-resistant Product type: Headset Control Type: Touch Headset type: Stereo Housing material: Plastic IP protection class: IP54 Product color: Gray Application: Calls/Music/Sports/Everyday Wearing style: On-ear clips Packaging data Packaging depth: 80 mm Package height: 48 mm Weight with packaging: 102 g Package width: 95 mm Packaging type: Box Package contents Cables: USB Type-C Quick Start Guide: Yes Charging case: Yes Warranty card: Yes Ports and interfaces Bluetooth profiles A2DP HFP AVRCP Wireless router range: 10 m Connection method: Wireless Bluetooth version: 5.4 Bluetooth: Yes Battery Talk time: 10 h Battery type: Lithium-ion (Li-Ion) Talk time (with charging case): 40 h Fast charging: Yes Supported battery type: Built-in Music playback time: 10 h Continuous audio playback time (with charging case): 40 h Microphone Microphone sensitivity: -38 dB Microphone type: Built-in microphone Headphones Headphone construction: In-ear Frequency response: 100 - 20000 Hz Earphone type: In-ear headphones Headphone sensitivity: 97.5 dB