XO BS27 Insert card sports Bluetooth headset

■Sound Channel System Dual Channel ■Control mode 3 physical buttons ■Active and passive: active ■Bluetooth solution Jerry: 6956 Bluetooth version: Bluetooth V5.0 ■Support Bluetooth protocol: A2DP v1.3, AVRCP v1.6, HSP, HFP ■Bluetooth operating frequency: 2.4GISM band, 2.402-2.480GHZ ■Receiving sensi