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Dear buyer: Before delivery, we will strictly test each product, because the delivery time is very long, when you receive the Bluetooth headset, it may be out of power and can not work, please rest assured to charge, normal use. If you have any questions about quality or use, please contact us first. We will help you solve the problem with quality service. happy shopping.Matching steps:1: Press and hold the multi-function buttons on both sides at the same time until the indicator light flashes red and blue alternately.2: Then double-click the left headset to automatically pair;3: Turn on the mobile phone Bluetooth on the device, and then select "i7S Tws" to connect;4: The matching is completed.Note: There is no retail box for this product! ! !i7S TWS Bluetooth headset:1. Bluetooth version: has been updated to Bluetooth v5.0 EDR (supports two headset calls)2. Power level: CLASS 2 and Class 33. Output power: 30mW4. Frequency response: 2.4-2.85GHz5. Working voltage range: 3.0V-5V6. Microphone: -42dB (with microphone)7. High-quality stereo audio transmission and remote control protocol using A2DP / AVRCP8. Powerful noise reduction circuit (active noise reduction)9: Headphone battery: polymer lithium battery 50mA10. Charging time: 0.5-1 hour11. Talk time: 2-3 hours12. Music time: 2-3 hours (100% guaranteed, no virtual mark, complete)13. Standby time: 130 hours14: Transmission distance: outdoor traction distance is 10-15 metersOur products support wholesale.Packing list:Bluetooth headset (this product includes different types of products, with or without charging box, our product specifications are based on pictures)Charging box X1Micro USB charging cable X1User Manual X1Note: There is no retail box for this product! ! !Our products support wholesale, dealers are welcome to buy.note!Due to the epidemic situation, there is no way to transport in remote areas of some countries.The cargo transportation time will be slightly extended, please pay attention to buyers!Store customer service staff reply time:9:30 am to 8:30 pmIf you are unable to respond to your question in time due to time difference,Please forgive us and wish you a happy shopping ~
All orders are shipped within 1 working day (except holidays)If there is a problem, we will resend the product and only tell us the first time.100% professional customer service.regarding payment:1. We accept Alipay, credit card or debit card and other payment methods.2. Payment must be made within 3 days after ordering.3. If you cannot view it immediately after the auction, please wait a few minutes and try again,Completed within 3 days.friends Note:1. Please fill in your full name when paying, including your name, middle name and surname;2. Please fill in the correct address, including your apartment number, street, city, region and country.Otherwise, your package may be returned!3. We take no responsibility for your errors.Transportation issues:1. Items will be shipped within 1 working day of normal time.2. If you still do not receive the goods within 35 days after payment, please contact us, we will track the goods and reply to you as soon as possible, our goal is to do quality service.3. Economic small packages will be stored at the local post office, buyers need to contact the post office to get the package.Global.cainiao.comRefunds:1. If your product is defective, please contact us within three days after receiving the product, we will handle it for you in time.Refund issues, all returns must be returned in the original packaging and accessories. The customer is responsible for the shipping cost of the returned goods.2. When we receive the returned goods, we will refund your money. Or replace the goods for you.3. When you cannot receive the product, we will refund the price and shipping cost.4. When we receive your information, we will process the refund within 3 working days.Feedback:We will work with you until you are satisfied. We sincerely hope that you can leave us positive feedbackIf you are not satisfied with the purchase, please contact us via (My Message) or (Seller Question) before leaving neutral or negative feedback, we will try to solve any problems and meet your requirements.