Bluetooth version: Taiwan MTK V4.1 series one with two cable English English tips

2 2.402GHZ~2.480GHZ ISM Band audio range)

3) receiving sensitivity -80dbm

4) CLASS 2 wireless emission standard

5) channel of 1Mhz BW 79channels

6) point to point connection mode

7 &lt =10M) emission range;

The transmission speed of 57~723Kb/S 8)

9) stereo compression ratio 44.1/48KHZ

10) polymer lithium ion battery 60 Ma, charge about 4 hours of continuous playback

Charging time: 1-2 hours 11)

12) charging power supply computer 5V USB

function: the power amplifier output power: RMS 2x18MW (THD=10%) power amplifier SNR: 90dB input voltage: 3.7V rechargeable lithium battery play time: 4-5 hours of talk time: 6-8 hours charging time: 1-2 hours charging input voltage: DC5V specifications: 2x16 20MW 500MAH speaker Omega Phi 10mm frequency range: 20Hz-20KHz sensitivity: = 100dB + 2dB SNR: 80Db transmitter / receiver frequency: 2.4---2.48GHz distance: 10 meters QY7 barrier free stereo Bluetooth headset features: 1, with wireless music and call function; 2, super noise reduction function, enhance the sound effect of a hundred times; 3, as long as have Bluetooth headset can be universal; 4, portable, neck hanging ear plug type, whether it is sports enthusiasts, outdoor tour pal, drivers, office and other necessary Bluetooth headset. 5, super noise reduction 4 Bluetooth version, clear call quality and beautiful music sound quality, show off. 6, a bracket 7 second function, voice prompt function: the answer / end / reject / transfer, waiting for the phone, replay, mute, adjust the volume, point to point connection, listen to music play / pause, noise reduction, lower curved switch 4