On Ear Headset BT 5.2 Wireless Headphones Call Center Earphone with Noise Canceling Microphone Adjustable Headband Volume Control with Charging Dock

Noise Canceling Microphone:External 270° rotary microphone with noise reduction technology reduces environmental sound, enhances human voice, ideal for clear conversation.Ergonomic Design:Lightweight design, adjustable headband length, soft ear pad provide maximum wearing comfort, suitable for different head size wearing.BT5.2 Wireless Connection:BT 5.2 ensures low power consumption, stable connection, and fast transmission speed. Compatible with almost all BT-enabled audio devices.Long Battery Life:Built-in rechargeable lithium battery, 2 hours charging, can provide about 15 hours of working time, and about 200 hours of standby time.Specifications:Drive Unit Diameter: 30mmBT Version: 5.2Operation Range: 10 meters (no obstacle)Frequency Range: 20-20KHzSensitivity: 105±3dBImpedance: 32Ω±15%Battery Capacity: 3.7V 300mAhMusic Playing Time: about 15 hoursTalking Time: about 17 hoursStandby Time: about 200 hoursCharging Time: about 2 hoursWaterproof: IP65Color: BlackItem Size: approx. 15.0*13.2*4.9cm/5.90*5.19*1.93inItem Weight: 51g/1.79ozPackage Size: 16.0*14.5*5.5cm/6.30*5.70*2.16inPackage Weight: 220g/7.76ozPackage List:1 * On-Ear Headset1 * Charging Base1 * Charging Cable1 * User Manual