IP68 Certified: Support underwater remote photo-takingRemote Control Photo-Taking: Compatible with most of the mobile devices on the market, supports remote control photo-takingUnderwater Bluetooth Remote Control Photo Taking: Used together with the waterproof case underwater, solve the untouchable issue of waterproof case in waterLight and Portable: Mini portable design, carried with you everywhere you goAnti-loss Design: Stable and reliable, convenient for carrying, space-savingSpecifications:\rBluetooth version: Bluetooth 4.0Width: 36mmThickness: 10mmAnti fall: 10ftMaterial: TPU+PCWaterproof: 48ftFrequency: 2.4Hz~2.4835GHzEffective distance: 10m (30ft)Waterproof depth: 15mBattery model: CR2032 (150mAh) x 1Instructions :\r1: Turn on the remote control switch, and the blue indicator light of the remote control flashes2: Turn on your phone's Bluetooth, search for a new device, and connect3: After pairing and connecting, open the camera software on the phone4: IOS mobile phone can directly press the remote control shutter to control the photo5: The Android phone part can also directly press the shutter to control the photo6: It can be matched with a waterproof shell, suitable for diving shells