Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›This 5600mAh power bank integrates a Bluetooth 4.0 + EDR earphone set, offering a dual-function device for mobile users. The power bank delivers a 5600mAh capacity with a DC 5V input, compatible with standard USB charging cables. The bundled earphones feature a 9MM driver element, designed for clear audio output and ergonomic fit during extended use.
The unit is engineered for portability, with a compact form factor that fits in pockets or small bags. Battery chemistry is lithium-polymer, standard for this capacity class, providing a balance of energy density and safety. The Bluetooth module supports EDR for enhanced data rates, ensuring stable connectivity for audio streaming and hands-free calls.
Target buyers include distributors of consumer electronics, travel accessory retailers and corporate gifting programs. The combo is suited for outdoor activities, daily commutes and business travel where a single device can serve as both a charger and audio companion. Buyers should confirm packaging options, as the listing does not specify unit dimensions or weight. Trade terms are negotiable, with FOB and T/T commonly used for electronics exports from Shenzhen.
| Battery Capacity | 5600mAh |
| Bluetooth Version | 4.0 + EDR |
| Earphone Driver Size | 9MM |
| Input Voltage | DC 5V |
| Battery Type | Lithium-polymer (typical) |
| Charging Interface | USB (standard) |
| Bluetooth Range | 10m (typical for Class 2) |
| Earphone Impedance | 32Ω (typical for 9MM drivers) |
| Operating Temperature | 0°C to 40°C (standard for Li-Po) |
| Storage Temperature | -20°C to 60°C (standard for Li-Po) |
Shenzhen Card Silk Tech Co., Ltd. operates from the Shangxue Industrial Zone in Shenzhen, a hub for electronics manufacturing. The company is registered at 7th Floor, No.11 North Area, Shangxue Industrial Zone, Shenzhen 518129, China. Its profile indicates an imported tier classification with a harbor trust tier, reflecting a baseline verification status.
The supplier has not provided response rate metrics, with a recorded 0.00 response rate and 0 average response hours. This suggests limited engagement history on the platform. The company focuses on consumer electronics and accessories, with this listing representing a dual-function power bank and audio product. No additional certifications, client references, or production capacity details are disclosed in the available profile.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Before ordering, verify the power bank’s output current and whether it supports fast charging protocols like Quick Charge or Power Delivery. Check if the earphones include replaceable tips for different ear sizes, as this affects user comfort. Confirm the product’s compliance with local electrical safety standards, as certifications vary by region.
Discuss logistics details such as lead time, which is not specified in the listing. Shenzhen’s proximity to major ports like Yantian or Shekou typically allows for efficient sea freight, but air freight may be preferable for urgent orders. Clarify Incoterms (e.g., FOB Shenzhen) and payment terms (e.g., T/T 30% deposit, 70% before shipment) to avoid delays. Packaging options, such as bulk or retail-ready, should also be confirmed.
Quality checks should include testing the power bank’s actual capacity (using a USB tester) and verifying the Bluetooth earphone’s connectivity range and audio quality. Request a sample unit to evaluate build quality, as compact designs can sometimes compromise durability. Ensure the supplier provides a certificate of conformity (CoC) and a test report for the battery, as these are critical for customs clearance in many countries.
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