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K21 Wireless Bluetooth 4.1 Business Earphone 300mAh Super Long Standby with Mic
K21 Wireless Bluetooth 4.1 Business Earphone 300mAh Super Long Standby with Mic
K21 Wireless Bluetooth 4.1 Business Earphone 300mAh Super Long Standby with Mic
K21 Wireless Bluetooth 4.1 Business Earphone 300mAh Super Long Standby with Mic
K21 Wireless Bluetooth 4.1 Business Earphone 300mAh Super Long Standby with Mic
K21 Wireless Bluetooth 4.1 Business Earphone 300mAh Super Long Standby with Mic
K21 Wireless Bluetooth 4.1 Business Earphone 300mAh Super Long Standby with Mic

K21 Wireless Bluetooth 4.1 Business Earphone 300mAh Super Long Standby with Mic

Regular price £66.63 Sale price £19.99

K21 Wireless Bluetooth 4.1 Business Earphone 300mAh Super Long Standby with Mic, Sweatproof, Noise Reduction, Mute Switch for Cell Phone, Skype, Truck Driver,Office,Sport

Product parameters 
Product Model: K21 
Bluetooth Version:V4.1 
Working radius: 33ft 
Charging time:about 2.5 hours 
Listening to music time: About 24 hours 
Talk time :About 32 hours 
The Standby time: About 70 days 
Battery Capacity: 300mAh 
 
Package Contents: 
1 × Bluetooth Earphones 
2 × Ear Cap 
1 × USB Charging Cable 
1 × Manual 
 
Which functions does the product have? 
1.Long endurance 
2.Connect 2 devices at the same time. 
3.Wear left and right ears. 
4.smart switch up and down. 
5.Answer/hang up /reject. 
6.Telegraph number. 
 
Bluetooth signal distance? 
The Bluetooth signals have an effective distance of 33ft. However,you are expected to use the product within a distance of 9.8ft to 16ft, because the wireless signals transmitted by mobile phones will suffer decline,loss or interference in long-distance transmission and result in discontinuous sounds,a poor sound effect or disconnection(the product will try for re-connection when it is in the effective distance again) .

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