The i11 wireless earphone come smart,comfortable and durable and with good quality sound same as wired earphone. 

Bluetooth version:V5.0+EDR (both side),ultra low consumption

Bluetooth Mode:A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3

Bluetooth Frequency:2.4GHZ

Bluetooth Range:12 meters with no obstacles

Battery Capacity: Earbuds:50mah rechargeable Li-ion battery Charging dock:400mah 

Talk/Play time:Single earbud mode:3-4 hours

                       One Pair earbuds model:2-3 hours

Standby Time: Single earbud more:100hours  One pair earbuds mode: 60 hours

The wireless earphone with type touch to connect your bluetooth device.Built-in Jieli5.0 bluetooth chips,with gurantee the sound quality. Long time battery. 

Charging box and earphone can customs printed,and can use as promotional gift,trade givesaway. 

Packed in nice blue color box,which make luxury promotional gifts . 

Packing details:

wireless earphones 2 pcs

charging case

charging cable for case 

instruction