Specification: Item Type: Call Center Headset_x000D_Material: ABS_x000D_Model: M97_x000D_Color: Black_x000D_Scope of Application: Smart Devices with Bluetooth_x000D_Bluetooth Version: Bluetooth V5.0_x000D_Bluetooth Chipset: CSR 8615_x000D_Operating Range: Approx. 10m/32.8ft_x000D_Bluetooth Protocol HSP HFP A2DP AVRCP_x000D_Headphone Built in Battery: Polymer Lithium Battery, Built in Battery Capacity: 180mAh_x000D_Charging Time: 2h_x000D_Standby Time: 200h Features: 1[NOISE REDUCTION] Advanced noise reduction technology can provide clear dialogue even in the busiest working environment, 270 flexible microphone for better voice catching. 2[EASY CONTROL] Bluetooth headset provides a simple interface to adjust the volume, play, pause music and answer and hang up calls, with a mute function, suitable for work, study, meetings, etc. 3[COMFORTABLE] Balanced headphone design, soft protein memory foam padding, retractable headband, you can adjust it to a suitable width according to your head size. 4[STRONG COMPATIBILITY] This wireless call center headset has extensive compatibility and supports most bluetooth devices, such as mobile phones, computers, tablets, and laptops. 5[LONG BATTERY LIFE] Up to 17 hours of talk time, 2 hours of charging time, with magnetic charging and storage base, you can also directly use the USB data cable to charge the headset. PackageList: 1 x Call Center Headset1 x Charging Base1 x Charging Cable1 x Manual