GK-E053（Craft style）
Bluetooth version V6.0
Bluetooth solution Blue Messenger 5656 C Audio Encoding Protocol SBC AAC
Effective Range ≥ 10 meters
Headphone Battery Specification 50mAh Protection Board
Headphone Charging Time ≈ 1.5 hours
Charging Box Charging Standard DC 5V1A
Approximately 2.5 times for headphone charging
Speaker Size Ø 12mm
Speaker Impedance 16 Ω± 15%
Speaker Sensitivity 117 ± 3dB
Frequency Response Range 20Hz~20KHz
Weight (Complete Set) ≈ 71g
Supports Bluetooth Protocol HFP, A2DP, AVRCP
Signal Power Level Class 2
Operating Frequency 2.402GHz-2.480GHz
Earphone charging voltage DC 5V ± 0.2V
Charging case battery specification 400mAh with protective board
Charging time of charging case ≈ 2.5 hours
Connection standby time ≈ 68H
Cumulative battery life: about 22 hours 80% volume
Charging case size 76 * 31mm
Single headphone size 55x36x15mm
The product normally includes one side with laser engraved logo and one side with parameters. If there is a silk screen requirement, the standard price is 0.3 yuan per side. Other requirements will be reported separately