Bluedio D3 TWS bluetooth 5.1 Earphone LED Battery Display Touch Control Stereo Bass Headset With Charging Case

Features bluetooth 5 1 chip lower power consumption more stable Large capacity charging case standby time 640 hours lED intelligent digital display enables you to directly predict the battery life Simly by tapping the earbuds easy control without operating the device Specifications Brand BluedioModel D3bluetooth version V5 1Supports Protocol HFP 1 7 HSP 1 2 AVRCP 1 6 SPP 1 2 PBAP 1 0Speaker Diameter 10mmWorking distance 10 20mCall Time 4 5h fully charged with medium volume Play Music Time 4 5h fully charged with medium volume Standby time 640h With charger case Frequency 2402MHz 2480MHzBattery type 3 7V≥40mA Li BatteryCharging Time 1 2hWorking Temperature 10℃ 55℃Input current 5V 1A Package Included 1 Headphones1 Charging box1 Charging cable1 User Manual