Weight and dimensions Left earphone weight: 9.4 g Charging case weight: 56 g Right earphone weight: 9.4 g Product weight: 4.8 g Efficiency Control type: On-ear Music playback: Yes Control Type: Buttons Volume control: Button IP protection class: IP55 Product type: Headphones Wearing style: On-ear, in-ear Headset type: Stereo Housing material: Plastic Security features Sweat-resistant Waterproof Application: Calls/Music Product color: Gray Package contents Eartips material: Silicone Ports and interfaces Bluetooth profiles HFP AVRCP A2DP SBC AAC Bluetooth version: 5.4 Wireless router range: 10 m Connection method: Wireless Bluetooth: Yes Battery Right earphone battery capacity: 28 mAh Continuous audio playback time (with charging case): 48 h Music playback time: 11 h Wireless charging: Yes Left earphone battery capacity: 28 mAh Battery powered: Yes Input voltage (headphones): 5 V Battery capacity (charging case): 600 mAh Battery type: Lithium-ion (Li-Ion) Supported battery type: Built-in Microphone Microphone type: Boom Microphone sensitivity: -38 dB Number of built-in microphones: 4 Headphones Headphone sensitivity: 96.5 dB Noise Cancellation: Yes Headphone construction: In-ear