◆ Model : A50 PRO. ◆ SIM Card Quantity :2 Nano SIM Cards and 1TF card. SERVO A50 PRO. ✦ Dual Sim Cards Standby. ◆ Headphone jack：Supported. ◆ Audio Playback：Support. ◆ Video Playback：supported. ✦ 3.5mm Headphone Jack.
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