W820nb Active Noise Cancelling Wireless Bluetooth Stereo Headphone Headset 46 Hours Playtime Bluetooth V5.0 Hi-Res Audio Black Feature: Hi-Res Audio Standard For A Rich Listening Experience Active Noise Cancellation Technology Isolates Unwanted Noise Large Driver With Titanium Diaphragm Delivers Crystal-Clear Sound Low Latency For Game Mode Up To 49 Hours Continuous Playback Lightweight Headset Assures Comfortable Fit Built-In Microphone Supporting Calls In Bluetooth Connection Specifications: Bluetooth Version V5.0 Audio Codecs Aac Sbc Driver Unit 40Mm Dynamic Driver Playback Time Anc On: About 29 Hours; Anc Off: About 49 Hours Charging Time About 1.5 Hours Battery Capacity 400Mah Frequency Response 20Hz - 40Khz Sound Pressure Level 91A±3Db(A) Impedance 32A© Charging Port Usb Type-C Product Weight 220G (Net Weight) Inner Carton 188Mma—88Mma—240Mm (La—Wa—H) 450G (Gross Weight)
