Type: Closed-back dynamic Driver Diameter: 45 mm Voice Coil: CCAW (Copper-clad aluminum wire) Frequency Response: 15 – 28,000 Hz Sensitivity: 99 dB Impedance: 38 ohms Battery: DC3.7 V lithium polymer rechargeable battery Battery Life: Approx. 40 hours continuous use Charging Time: Approx. 7 hours (for 0-100% charge) Depending on environmental conditions Weight: 310 g (10.9 oz), without cable and connector Cable: Detachable 1.2 m Connector: 3.5 mm (1/8″) stereo mini-plug Input Jack: Micro USB Type B Accessories Included: 30 cm (1.0′) USB charging cable, protective pouch Microphone: Type Sensitivity: -42 dB (1V/Pa at 1 kHz) Frequency Response: 80 – 10,000 Hz Polar Pattern: Omnidirectional Communication System: Bluetooth Version 5.0 Output: Bluetooth Specification Power Class 2 Maximum Communication Range: Line of sight – approx. 10 m Compatible Bluetooth Profiles: A2DP, AVRCP, HFP, HSP Support Codec: aptX, AAC, SBC |