hohem iSteady M6 Kit Gimbal Stabilizer for Smartphone 3-Axis Phone Gimbal with AI Tracking Sensor Magnetic Fill Light

SKU: GW46.0028

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Yes, this works with iPhone 15 Pro Max 
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Yes, it works with the S24 ultra. That's what I have now. 
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Since the motor is running continuously, and the Bluetooth module interacts with data for a long time, it is normal for the device to get hot during use.