UGREEN HP203 35758 HiTune Max5c Adaptive Noise Cancelling Bluetooth Headphone

Frequency Band: 2400-2483.5Mhz Charging Port: USB-C Battery Capacity: 600mAh 3.7V (2.22Wh) Charging Input: 5V-600mA Max. RF Output Power: 4d8m Bluetooth Profile: HFP/AVRCP/A2DP/BLE/SPP Frequency Response: 20Hz-40Khz Battery Type: Polymer Lithium-ion Battery Limited Charging Voltage: 5.25V Charging Time: About 1.5 Hours