GK-X503
Bluetooth version: V6.0 Bluetooth solution: Jelly 6983D4 Audio encoding protocol: SBC AAC Effective range: ¡Ý 10 meters Camera battery: pure cobalt/30mAh/with protective board Earphone charging time: ¡Ö 1.5 hours Charging standard: DC 5V-500mA for earphones Charging times: about 2.5 times Speaker size: ¦µ 13mm Composite film Speaker impedance: 32 ¦¸¡À 15% Frequency response range: 20Hz~20KHz Weight (single earphone): ¡Ö 4g Weight (complete set): ¡Ö 41.8g Supports Bluetooth protocols: HFP, A2DP, AVRCP Signal power level: Class 2 Operating frequency: 2.402GHz-2.480GHz Earphone charging voltage: DC 5V ¡À 0.2V Charging box Battery specifications: pure ternary/2 50mAh/with protective board charging box charging time: ¡Ö 1.5 hours connection standby time: ¡Ö 30H cumulative battery life: about 14H speaker sensitivity: 120 ¡À 3dB charging box size: 60.9 * 45 * 26mm Individual headphone size: 32 * 22 * 17mm
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