KKPLZZ 9wb7kiatrg-12 Wireless Headphone

Specification: Product type: BT headphones Material: ABS Connection: BT 5.3 Wireless distance: About 10 meters (32.8 feet) Supported protocols:A2DP, AVRCP, HSP, Speaker size: Diameter 40mm / 1.6" Sensitivity: 121±3dB Impedance: 32Ω±15% Frequency: 20Hz - 20KHz 3.5mm Sound : Support Storage: Support up to 32GB memory card (not included) Battery type: built-in 200mAh lithium-ion battery How to use: Turn on the device and connect with BT to use it. Packing list: 1 x BT headphones. 1 x data cable. 1 x user manual (English language not guaranteed).