Model: i21

Bluetooth version: 5.0

Support : HSP/HFP/A2DP/AVRCP

Frequency: 20-20000Hz

Operation distance: around 10 meters

Play time: 3-4 hours

Charging time: 0.3-.04 hours

Compatiable with: all BT device and cellphone

Packing list: earphone+charging box+user manual+usd cable+packing box

Function: automatic turn on/pairing/dual call/active Siri

1.We have very strict quality inspection on raw material and necessary steps during production.We have always control our goods defect rate below 3%.And our goods have passed 100% QC before shipment. 

 Why buy from us?
1. We are the factory
2. The capacity is real, not same as other supplier (false capacity)
3. The price is lower than other supplier
4. Models: We have our own models and our own brand image
5. Quality: test products one by one before produce or after finished

1.Q:Are you a factory or trading company?
   A: We are a factory and manufacturer .
2.Q:Where is your factory located? How can I visit there?
   A: Our factory is located in Shenzhen City and Dongwan City, China. And our trading office is based in Shenzhen, really glad to invite you to come to our office to have a face to face meeting before the bulk order.
3.Q:How can I get some samples?
   A: We are honored to offer you samples.
4.Q:How does your factory do regarding quality control?
   A:"Quality is priority. we always test one by one before produce or finished. Our factory has got the CE,FCC, ROHS, Certificate, so don’t worry about quality