QKSEJ HBQ-Q32 - Wireless Earbud

Specification: Condition: 100% Brand New Item Type: Wireless Bluetooth Earphons Material: Plastic Colour: As Pictures Shown Product Size: Earphones Size: 22.5x16x24mm/0.9x0.6x0.9inCharging Box Size:96x30x29mm/3.8x1.1x1.1in Weight: Approx.69g/2.4oz Bluetooth Chip: for Bluetrum Technology AB5376T Bluetooth Version: V5.0+EDR Bluetooth Agreement: A2DP\AVCTP\AVDTP\AVRCP\HFP Working Frequency: 2.402GHz-2.480GHz Transmission Power: CLASS2 3DB Temperature Range:-20 to +70 Horn Size and Impedance: 8mm32Ω S/N: 100dB Microphone Sensitivity: -38Db±2Db Microphone MIC:4013 Round Microphone Earphones Battery: Single 50mAH Charging Box Battery: 300mAH Battery Type: 602030+Protective Plate Polymer Lithium Battery Charging Current/Voltage of Earphones: 60mA / DC 4.8-5.3V Charging Time of Earphones: about 1h Charging Time of Charging Box:about 2h Transmission Distance: 10m Calling Time: about 5h Time of Listening to Music :about 5h (The Actual Usage Time Depends on the Type and Volume Requirements of the Song,80% Volume) Working Current: 12mA Leakage Current after Shutdown: 2.7uA Standby Time:about 70h (Theoretical Time, When the Headset is Connected to the Mobile Phone, the Standby Time is not Working) Charging Port : Type-c Charging Times of Earphones by Charging Box: 3times Package List: 2x Bluetooth Earphones 1x Charging Box4x Earbuds 1x USB Line 1x Instruction