Sony WF-1000XM4 wireless earbuds details: Package Size (L x W x H): 96.0 x 58.0 x 65.0 mm 3.86 x 2.28 x 2.56 in Package Weight: 130.4 g / 4.6 oz Package Material: Recycled paper Headphone Type: Truly Wireless Battery Life (continuous music playback time): Max. 8 hrs (NC On) / Max. 12 hrs (NC Off) BATTERY LIFE (CONTINUOUS COMMUNICATION TIME): Max. 5.5 hrs (NC On) / Max. 6.0 hrs (NC Off) Check out our video on Youtube: Sony WF-1000XM4 wireless earbuds UNBOXING Battery Charge Time Approx. 1.5 hrs Connectivity: Bluetooth Version 5.2 Profile: A2DP, AVRCP, HFP, HSP Supported Audio Formats: SBC, AAC, LDAC Supported Content Protection: SCMS-T Sizes of ear tips: S: 10.6 x 8.7 mm, 0.41 x 0.34 in M: 11.7 x 8.7 mm, 0.46 x 0.34 in L: 13.1 x 8.7 mm, 0.52 x 0.34 in Total Weight: 55 g / 1.94 oz DSEE Extreme: Yes Digital Noise Canceling with Ambient Sound Mode and Quick Attention Driver Unit: 6 mm Magnet High-power neodymium magnets Frequency Response (Bluetooth® Communication): 20