Bluetooth 5.3 Wireless Headset Smart Polarized Sun Lenses Glasses Sunglasses GX
Bluetooth version: V5.3. Bluetooth protocol: HFP 、 A2DP 、 AVRCP 、 HSP BR+EDR+BLE. Sound channel system: Wireless stereo sound. 1 X Glasses. 1 X glasses cloth. We look forward to your communication and to speaking to you personally.