Bluetooth Headset with Microphone, V5.0, Wireless Headset for Mic, Phone,Call Centers, Offices Feature: Pro Bluetooth Headset for Clear Chat- The boom microphone enabled the newest noise cancelling tech,can pick up your voice exactly and block the noise from the surround. Lightweight & Comfortable Headset--friendly soft earpad and flexible headband,can ensure you focus on your talk with comfortable wearing experience Compatibility & Device Connection】-The headset can pair with any bluetooth-enabled device,and can connect with 2 devices at.The headset can support music enjoying and voice control Long-lasting Battery & Compatibility】- Offer up to 17 hours continuous talking and 100 hours standby with fully charged in just 2 hours Specification Headset name: traffic headset Battery life: about 100 hours Speakers size: 40mm/ 20MW /3292 Bluetooth distance: 30 meters Headphone battery capacity: 300mAh Headset talk time: 30-60 hours Speakers size: 40mm/ 20MW /3222 Frequency response range: 20-20kHz Sensitivity: 108dB ± 3dB Headphone material: ABS Concurrently: A2DP/AVRCP/HSP/HF PInstructions: English Bluetooth version: BT5.0, BT4.2, BR/EDR Headphone charging time: 1 hour ~3 hours, DC5V1A, Type-C fast charging Compatible system: 10S/ Android/Mac OS/ Bluetooth pairing name: Wireless Headset Microphone specification: strong resistance high sensitivity 3012--M4618L15, impedance 2.2K3, Packaging box: color box 167mm*70mm*190mm,Earphone + Manual + Color Box = 245g Charging cable: 100CM long, black round cable USB-Type-C Packing quantity: 40 boxes per box, color box size 60"40* 47.5cm Packing list: 1 headset, 1 manual, 1 charging data cable, 1 color box, 1 outer case PACKAGE LIST: 1x headset 1x manual 1x charging data cable 1x color box 1x outer case