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: CSR64110 V4.2 
Effective range: 33FT (10meters) 
Working frequency: 2.40GHz~2.480GHz 
Transmit power:CLASS2，MAX4dbm
Audio decoding:SBC 
Adjustment mode: GFSK, TT/4 DQPSK,8DPSK 
Noise-signal ratio: >75dB 
Charging input voltage: DC5±0.25V 
Battery specification: 3.7V/55 mAh 
Charging Box Battery: 320mAh
Working voltage: 3.7V（3.3-4.2V） 
Charging time: ≤2H 
Sensitivity: -42±3DB 
Low voltage indication: 3.3V 
Impedance: 32Ω
Continuous music playback time: ≥2.5H 
Standby time: ≥20H 
Working current: ≦20mA 
Static current: ≦5uA
Color: black