Havit H630BT PRO Bluetooth Headphones (Butter Yellow). Product Features:. Package Contents : Headphones x 1, 3.5mm audio cable x 1, USB Type-C charging cable x 1, User Manual x 1, Quality Certificate x 1; Product weight: 233 g; Intended for children: No; Headphone sensitivity: 103 dB; Market segment: Consumer; Noise cancelling: Yes; Product depth: 82 mm; Foldable: Yes; Connectivity method: Wired and wireless; Product width: 182 mm; 3.5mm connector: Yes; Frequency response: 20 - 20000 Hz; Product height: 192 mm; Impedance: 32; Wireless router range: 10 m; Application: Calls/music; Noise cancelling type: Active; Warning : This product contains batteries that should be disposed of properly., Please read the user manual before use., Do not disassemble or modify the product by yourself.; Speaker diameter : 4 cm; Bluetooth : Yes; Battery capacity : 500 mAh; Wearing style : On-head; Product type : Headphones; Bluetooth version : 5.3; Bluetooth profiles : AVCTP;.