--- product_id: 43452727 title: "Battery Case for iPhone 7, collee 3000mah Ultra Slim External Bluetooth Battery Charger Case Power Bank with Lightning to 3.5mm Headphone Jack Bluetooth Receiver for iPhone 7 6s 6 (4.7 inch)" brand: "collee" price: "NT$2356" currency: TWD in_stock: true category: "Wireless Phone Accessory" url: https://www.desertcart.tw/products/43452727-battery-case-for-iphone-7-collee-3000mah-ultra-slim-external store_origin: TW region: Taiwan --- # Battery Case for iPhone 7, collee 3000mah Ultra Slim External Bluetooth Battery Charger Case Power Bank with Lightning to 3.5mm Headphone Jack Bluetooth Receiver for iPhone 7 6s 6 (4.7 inch) **Brand:** collee **Price:** NT$2356 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Battery Case for iPhone 7, collee 3000mah Ultra Slim External Bluetooth Battery Charger Case Power Bank with Lightning to 3.5mm Headphone Jack Bluetooth Receiver for iPhone 7 6s 6 (4.7 inch) by collee - **How much does it cost?** NT$2356 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/43452727-battery-case-for-iphone-7-collee-3000mah-ultra-slim-external) ## Best For - collee enthusiasts ## Why This Product - Trusted collee brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description How to make our case work with your headphones?1. Press the bluetooth button for about 3 seconds, it shows blue light when working.2. Open your phone's bluetooth device to search the bluetooth named "YX-1", connect it.3. Now plug your headphone to have a try.If you are still confused, please contact us again any time, we will show you the operation pictures.InstallationInsert the charging plug into the mobile phone.Insert the mobile phone into back power.DisassemblyEject the back power with mobile phone.Pull out the mobile phone.UsePress and hold the power button for 5s.LED light on shows current battery power and start charging cellphone.Charging and reading data.Four LED power indicating lamps.Press the power button for once to indicate the remaining power of the charger case while pressing the same button and holding for three seconds to switch it to charging mode.Specifications: • Capacity: 3000mAh Li-Polymer Rechargeable Battery • Dimensions:144mm*73mm*14.8mm • Weight = 2.72 ounces • Input Voltage: 5V/0.5A-2.1A • Output Voltage: 5V/1.0A-1.5A • Charging Power Level: 1 Light = 25%, 2 Lights = 50%, 3 Lights = 75%, 4 Lights = 100% User tips: Please charge the battery case fully and deplete the power of the battery case completely at the first use. • Don't break or dismantle the battery case. Don't throw it into the fire. And don't place it in the hot or humid place. Packing list: • iPhone 7 3000mAh battery case • User Manual Warranty: collee offers a 18 months manufacturer limited warranty that will protect you against all defects in material and workmanship ## Features - collee iphone battery case is compatible with 3.5mm lighting headphones and works with Apple Airpods or other wireless Bluetooth headphone. collee Powerful iPhone 7 3000mAh lithium polymer battery can effectively provide your iPhone 7 with 100% + extra battery life, the equivalent of an increase of 13 hours of talk time or 10 + hours of web browsing time - Full comprehensive bumper design , Portable Charger protects your iPhone from scratches and other daily wear and tear, yet small and convenient enough to fit easily in your hand or in your pocket - Easy installation Insert your iPhone 7 into the lightning output port. The extended battery case uses a micro USB input port to enable recharging and data transfer. You can conveniently charge and sync both the battery case and iPhone 7 to your Macbook, PC or laptop without having to remove the battery case - Made of high quality material, ultra slim protection 360° scratch-guard, dual layer protection. Compact design minimizes bulk and weight for iPhone 7 charger case. Unique and comfortable tactile impression,high efficiency and high conversion rate, Ideal for long distance journey and business trip. - 30 Days for free to return product. 18 Months manufacturer limited warranty that will protect you against all defects in material and workmanship. ## Images ![Battery Case for iPhone 7, collee 3000mah Ultra Slim External Bluetooth Battery Charger Case Power Bank with Lightning to 3.5mm Headphone Jack Bluetooth Receiver for iPhone 7 6s 6 (4.7 inch) - Image 1](https://images-na.ssl-images-amazon.com/images/I/51-oArZCaRL.jpg) ![Battery Case for iPhone 7, collee 3000mah Ultra Slim External Bluetooth Battery Charger Case Power Bank with Lightning to 3.5mm Headphone Jack Bluetooth Receiver for iPhone 7 6s 6 (4.7 inch) - Image 2](https://images-na.ssl-images-amazon.com/images/I/51nEGzox4wL.jpg) ![Battery Case for iPhone 7, collee 3000mah Ultra Slim External Bluetooth Battery Charger Case Power Bank with Lightning to 3.5mm Headphone Jack Bluetooth Receiver for iPhone 7 6s 6 (4.7 inch) - Image 3](https://images-na.ssl-images-amazon.com/images/I/511lKLiJw%2BL.jpg) ![Battery Case for iPhone 7, collee 3000mah Ultra Slim External Bluetooth Battery Charger Case Power Bank with Lightning to 3.5mm Headphone Jack Bluetooth Receiver for iPhone 7 6s 6 (4.7 inch) - Image 4](https://images-na.ssl-images-amazon.com/images/I/51aatM5AcML.jpg) ![Battery Case for iPhone 7, collee 3000mah Ultra Slim External Bluetooth Battery Charger Case Power Bank with Lightning to 3.5mm Headphone Jack Bluetooth Receiver for iPhone 7 6s 6 (4.7 inch) - Image 5](https://images-na.ssl-images-amazon.com/images/I/51oqC21NaNL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/43452727-battery-case-for-iphone-7-collee-3000mah-ultra-slim-external](https://www.desertcart.tw/products/43452727-battery-case-for-iphone-7-collee-3000mah-ultra-slim-external) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-10-23*