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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: Turn on mobile’s Bluetooth first. 2: Press and hold both headphones at the same time until the red and blue lights are on, loosen 3: Press one of the headset buttons twice 4: Turn on Bluetooth 5: Matching completed i7 mini – TWSBluetooth headset: Specification: 1. Driver: 15mm 2. Impedance: 32 OHM 3. Bluetooth version: Bluetooth v5.0+ EDR 4. Bluetooth use band: 2.4GHz 5. Power level: CLASS II 6. Output power: 30mW 7. Bluetooth distance: 10 meters barrier 8. Frequency response: 20-20000Hz 9. Operating voltage range: 3.0V-4.2V 10. Mic sensitivity: -42dB 11.Charging box capacity :350mAh 12.earphone battery capacity:40mAh 13. Talk time is about 2 hours 14. music time about 2 hours 15. Standby time is about 100 hours Package Includes: 1 x earphone（Note: The specifications of this product are based on the specifications of the color pictures, and each product has a corresponding price.） 1 x Charging box（i7s Double White without charging case） 1 x USB Charging Cable 1 x User Manual Our products support wholesale, dealers are welcome to buy. Note: There is no retail box for this product! ! ! Note : 1、Due to the epidemic, the transportation time will be slightly extended. 2、Nomal delivery time : About 30-55 days 3、 If goods shipping delay , you can ask me to extend order protection time 4、 If you miss the call from post office , please go to post office to get the goods 5、If your address is correct, shipping will be faster.
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