Ugreen EchoBuds Magic Hybrid Active Noise-Cancelling Earbuds White (WS211/PN55137)

Specifications:

Brand : URGEEN

Model: WS211

Bluetooth Version: 5.4

Frequency Band: 2400MHz-2483.5MHz

Max. RF Output Power: 4dBm

Transmission Distance: 10m/33ft (no blocking)

Bluetooth Profile: HFP/AVRCP/A2DP/BLE/SPP

Codecs: AAC/SBC/LDAC

Frequency Response: 20Hz-40kHz

Charging Port: USB-C

Charging Case Battery: Polymer Lithium-ion Battery

Earbuds: 35mAh 3.85V (0.135Wh)

Charging Case: 400mAh 3.7V (1.48Wh)

Limited Charging Voltage: 5.25V

Charging Case Input: 5V/500mA

Charging Case Output: 5V/200mA

Charge Earbuds: About 1.5 hours

Charge Charging Case: About 2 hours

Operating Time:

6 hours with single charging

30 hours with charging case