Black Music Head-band Headset Wireless 3.5 mm connector USB connectivity Bluetooth 5.2 Supraaural Microphone type: Built-in Built-in battery Lithium-Ion (Li-Ion) Performance Suitable for indoor use Yes Suitable for outdoor use Yes Recommended age group Adult Adjustable headband Yes Cable length 1.2 m Control type Buttons Product colour Black Recommended usage Music Wearing style Head-band Product type Headset Ports & interfaces Microphone in Yes Bluetooth profiles A2DP, AVRCP, GATT, HFP, HSP Bluetooth version 5.2 Bluetooth Yes USB connector USB Type-C USB connectivity Yes 3.5 mm connector Yes Connectivity technology Wireless Headphones Transparency mode Yes Total Harmonic Distortion (THD) 0.1% Driver type Dynamic Driver unit 4 cm Ear coupling Supraaural Microphone Hybrid noise-canceling Yes Number of microphones 6 Microphone type Built-in Battery Fast charging time 15 min Battery recharge time 2 h Charging source USB Continuous audio playback time 30 h Battery technology Lithium-Ion (L