ZAICOLER Monitoring Headset Wireless Headset

Specification: Item Type: Wireless Monitoring Headset Material: ABS, Silicone DAC Output: 24bit Operation, SNR ≥101db DAC Input: 24bit Operation, SNR ≥ 92db Speaker Caliber: Approx. 14.2mm/0.56in Speaker Impedance: 32Ω Microphone Caliber: Approx. 4.0mm/0.16in Microphone Impedance: 2200Ω Two Headset Battery Information: Lithium Ion Battery, 200mah (Shipped with Built In Battery) Receiver Battery Information: Lithium Ion Battery, 300mah (Shipped with Built In Battery) Bluetooth​ Version: 5.1 Bluetooth​ Transmission Distance: Approx. 12m/39.4ft Wireless Fidelity Transmission Distance: Approx. 20m/65.6ft How to Use: Please refer to the instruction manual for details on how to operate. PackageList: 2 x Earphones 2 x User Manuals 2 x Charging Cables 1 x Receiver Note: The multi device expansion is only compatible with the original earphones, other earphones are not suitable.