QY7S Bluetooth Headphones Wireless In-Ear Sports Earbuds Sweatproof Earphones Noise Cancelling Headsets with Mic for Run

QY7S Bluetooth Headphones Wireless In-Ear Sports Earbuds Sweatproof Earphones Noise Cancelling Headsets with Mic for Run

Function
Power amplifier output power: RMS 2x18MW (THD=10%)
Power amplifier signal to noise ratio: ≥90dB
Input voltage: 3.7V rechargeable lithium battery
Play time: 4-5 hours Talk time: 5-7 hours
Charging time: 1-2 hours
Charging input voltage: DC5V 500MAH
Speaker Specifications: 2x16Ω 20MW Φ10mm
Frequency Response Range: 20Hz-20KHz
Sensitivity: ≥100db±2db
Signal to noise ratio: ≥80Db transmit/receive frequency: 2.4---2.48GHz Distance: Barrier-free 10 meters
Gross weight: 54 grams

This Bluetooth noise reduction answer, support for any key answer, effective connection with the smart phone, automatic matching connection program, charge to maintain the connection status. - Isolation of voice, high-definition call: The intelligent control chip recognizes the sound frequency and generates reverse signals to filter outside noise (noise and wind) in the non-human sound frequency range. Realize HD calling in any noisy environment. Very beautiful sound quality gives you different enjoyment!

QY7S Bluetooth Headphones Wireless In-Ear Sports Earbuds Sweatproof Earphones Noise Cancelling Headsets with Mic for Run Images