i7s TWS Wireless Bluetooth Earphone
1: The phone does not turn on 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
1. listening to the song correct, support songs and call,
2. remind call number, the last call back, all intelligent Chinese and English voice prompts, boot, pair, shut down the phone power will be low voice prompts;
3. Power capacity will show on your Iphone, you can see the power situation anytime, do not worry about the electricity ,make your life without worry;
4. Bluetooth headset connected to the phone after the shutdown , and then open the Bluetooth headset will connect back to the phone automatically , more convenient;
5. Intelligent compatibility: support all Bluetooth mobile phone, tablet, notebook, singing it, QQ music, movies, etc., universal all mobile phone
1. Driver: 15mm
2. Impedance: 32 OHM
3. Bluetooth version: Bluetooth v4.2 + 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. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
12. Powerful noise de-noising circuit (active noise reduction)
13. switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully)
Note: Purchase of goods less than $ 5, we will choose China Post Ordinary Small Packet Plus, you can check the order tracking situation in China, but please be assured of fast and secure goods will be sent to your hands.DHL / UPS / Fedex Express usually takes about 3-5 working days to the destination And it’s about 5-8 work days by EMS or TNT We also support the China Post, Sweden Post, Swiss Post, Hongkong Post air parcel.. , etc., normally 7-30 business days to arrive worldwide, 30-60 days in remote countries should reach around the world
1. We will send the goods within 3 business days after the full payment has been confirmed. If the payment is not available, your order will be closed automatically.
2.You can track your orders by various postal official website,You can also track the following URL: www.17track.net/index_en.shtml
1. Every products will be Strictly tested before delivery, with special instruments or main boards to ensure Normal working.
2. All the products, 3 months warranty, 100% brand new and strictly tested before shipemt, Please inform us WITHIN 3 DAYS after receiving the parcel if you are dissatisfied with products (Real picture and other evidence must be given), then we will offer replacement / refund if the products are not as described.
3. If the item is your possession more than 7 days, it is considered used / second -hand, you will Only offer replacement service after we get your return item.
|Frequency Response Range||
Common Headphone, For Mobile Phone, For iPod, HiFi Headphone, Sport
for i7s TWS I7STWS Bluetooth 5.0 Headphone