Mono Headset Bluetooth-Compatible Headset Operator Headset Call Center Headset Features: Utilizes 4x anti-noise technology Multi-point connectivity for up to two Bluetooth-compatible devices at the same time Support For Headset Profile, Handfree Profile With redial the last call number, refuse to answer, volume adjustable and other functions Adopts Bluetooth-compatible 5.0 technology for easier and faster connection, clear sound quality and anti-interference. Online chatting via Bluetooth-compatible wireless transmitter Headset design, more convenient to use, better call effect Bluetooth-compatible 5.0 version, supports simultaneous connection of 2 devices, Bluetooth-compatible link distance within 10 meters The headset uses a noise-canceling microphone for better sound enhancement and background noise suppression. Whether you are working in a home office, call center, or driving on the highway, you can experience crystal clear hands-free calling. The headset is lightweight and comfortable, with an adjustable headband that can be adjusted to fit the shape of the consumer's head and then find a comfortable fit. Specification: Bluetooth-compatible version:V5.0 Communication distance:10 meters Bluetooth-compatible protocols:For HSP,HFP,AVRCP,A2DP Decoding mode:SBC Package Includes: 1*Host 1*Charging cable 1*Instruction manual Note. 1. Please allow 1-3 mm error due to manual measurement. Please make sure you don't mind before ordering. 2. Due to the light of the photo and the difference of the monitor, the picture may not reflect the actual color of the real object. Please make sure you don't mind before ordering, thanks!