Charging Case Dimension: Approx. 64.6 x 40.0 x 26.5 mm; Charging Case Weight: Approx. 39 g; Noise Canceling Ambient Sound Mode: Yes; Quick Attention: Yes; Bluetooth® Version: Bluetooth Specification Version 5.3; Effective Range: 10 m; Frequency Range: 2.4 GHz band (2.4000 GHz - 2.4835 GHz); Profile: A2DP, AVRCP, HFP, HSP, TMAP, CSIP, MCP, VCP, CCP; Supported Audio Formats: SBC, AAC, LDAC, LC3; Supported Content Protection: SCMS-T; Battery Charge Method: USB charger | Wireless charger (with case); Battery Life (Communication Time): Max. 6 hrs (NC ON) | Max. 7 hrs (NC OFF); Battery Life (Active Headphones): Max. 8 hrs (NC ON) | Max. 12 hrs (NC OFF); Earbud Weight: Approx. 5.9 g x 2 (including earbud tips (M)); Driver Unit: 8.4 mm; Wearing Style: Yes (IPX4 equivalent); Headphone Type: Closed, dynamic; Frequency Response (Bluetooth®): 20–20,000 Hz (44.1 kHz sampling) | 20–40,000 Hz (LDAC 96 kHz sampling 990 kbps); Ambient Sound Mode: Yes; General Features (Active Headphones): Yes