XO BS30 Large capacity long battery life sports bluetooth headset

■Bluetooth scheme version:Bluetooth V5.3 scheme Jerry 7006 ■Speaker unit: 2 horns with a diameter of 10mm, 16 ohms ■Built-in battery: 400mAh + protection board ■Standby time: Standby time when the mobile phone is connected to stand: about 4 days ■Music time: 50 hours (80% volume) ■ Talk time: 50 hou