Wireless Bluetooth Headset Trucker Driving Office Headphone Noise Cancelling Mic Product Features: BT 5.0 Wireless Headset:We use the advanced 5.0earphone chip, in these wireless earbuds, which means better sound quality, super easy pairing and lower power consumption. supports Bluetooth 5.0, HFP 1.7, HSP 1.2, A2DP 1.3, AVRDP 1.6, SPP 1.2, PDAP 1.0, Bluetooth Headset with Noise Cancelling Mic:The flexible microphone enabled the newest noise cancelling tech.It can pick up your voice exactly and block the noise from the surround,ensure your crystal-clear conversations even in noisy environment Lightweight & Comfortable:The handsfree phone headset built with skin-friendly soft ear pads and flexible headband.It can make you focus on your talk without feeling any burden to your head and ears Compatibility & Long-lasting Battery:The headset can pair with any bluetooth-enabled devices,include android and IOS devices;1-2 Hours charging can offer up to 20-40 hours continuous talking time. Wide Compatibility: Works with most Bluetooth-enabled devices(Smartphone/Tablet). Product Specification: Bluetooth Version: Bluetooth 5.0 Transmission Distance: 10 meters(33 feets) Bluetooth Protocol: HFP/HSP/A2DP/AVRCP Working Voltage: 3.7V Charging Voltage: 5V Earphone Battery Capacity: 300mAh Charging Time of Earphone: 1-2H Earphone Listening Time: 20-40H Specifictions of the loundspeaker: 40mm,32Ω,20mW Acoustic sensitivity: 108dB+-3dB Frequency response range: 20-20KHz Microphone impedance: 2.3KΩ Package Included: 1 x Headset 1 x USB Cable 1 x Use Manual 1 x Charging Dock