Low Price 3ND Wireless Earbuds Bluetooth Headphone with Serial Number Sport Earphone

Bluetooth Version:V5.0+EDR Bluetooth Profile:HSP/HFP/A2DP/AVRCP Speaker Size:8mm Frequency Range:2.402GHz-2.480GHz Battery Life:4.5 Hours Work Temperature:10°-50° Earbuds:Height: 1.22 inches (30.9 mm) Width: 0.86 inch (21.8 mm)  Depth: 0.94 inch (24.0 mm)  Weight: 0.19 ounce (5.4 grams)  2.39 inches(60.6 mm) Charging box: Height: 1.78 inches (45.2 mm) Width: 2.39 inches (60.6 mm)  Depth: 0.85 inch (21.7 mm)  Weight: 1.61 ounces (45.6 grams) Standby Time:80 hours weight:3.6g/earbuds , 170g/set sensitivity:108dB Material:ABS Impedance:32ohms Charger:wireless Charger, USB Lightning Port Charger True Wireless V5.0 +EDR,Auto Pairing.  Touch control.  High quality stereo sound Microphone function.  Wide Compatibility.Works with All Your Favorite Bluetooth Devices , (iPhone Android Smartphone i Pad Tablet PC etc