Description

Rainbow-AIR2 pro Bluetooth earphone

• AIR2 is the smallest earphone, High quality sound, Affordable price.
• Included charging box, it\'s able to charge wireless earbuds four times. LED Clear Power Indication to show battery capacity on the box.
• Include 3 different size plugs set, 3 different size ear-hook set.
• Supports all communication apps and answering calls, it can be as single or dual wireless earbuds.
• Built-in auto-connect Bluetooth chip, all you need is connect one earbud, and the other one will be paired.

*******************-Specification*******************-
Bluetooth chip: CSR****0 V4.2 
Effective range: *3FT (*0meters) 
Working frequency: 2.*0GHz~2.**0GHz 
Transmit power:CLASS2，MAX4dbm
Audio decoding:SBC 
Adjustment mode: GFSK, TT/4 DQPSK,8DPSK 
Noise-signal ratio: >*5dB 
Charging input voltage: DC5±0.*5V 
Battery specification: 3.7V/*5 mAh 
Charging Box Battery: **0mAh
Working voltage: 3.7V（3.**4.2V） 
Charging time: ≤2H 
Sensitivity: **2±3DB 
Low voltage indication: 3.3V 
Impedance: *2Ω
Continuous music playback time: ≥2.5H 
Standby time: ≥*0H 
Working current: ≦*0mA 
Static current: ≦5uA
Color: black