Syllable G800 Stereo Bluetooth Earphone Wireless Music Headset Headphone Wth Mic David Russell Design

Features
Tiny Body with Great Power Fordable design, the portable tiny body is easy to carry. Low-loss Lithium battery comes with 320 hours standby time and 8-12 hours working time.
Outstanding Performance Large diameter of 40 mm horn--phonoreception, NFC simple pairing, 1.8 times HIFI speaker, the sound is more shocking, low frequency is stronger.
Noise Proofing Great active noise cancelling circuit board, built-in stereo decoder, CSR, CVC echo(cancellation) to avoid any noise. Ear muffles made of protein and pearl wool are comfortable and noise cancellation.
Long Time Use and Quick Charging The battery could provide for up to 12 hours' music pleasure play time and it support the 2 hours 'rapid charging.
New Bluetooth Technology Using Bluetooth 4.0 wireless technology, provide hi-fi wireless music. And it is also compatible Bluetooth 3.0 and 2.1.
Specification
Speaker 40mm
Impedance 30 OHM
Bluetooth Version V4.0+EDR dual mode
Audio Frequency Response 20-20000Hz
Power Level CLASS II
Working Voltage Range 3.0V-4.2V
Microphone Sensitivity -45+3db
Output Power 65mW THD+N=1%
Noise Cancelling circuit Active noise cancelling
Bluetooth Frequency range 2.402-2.480GHz
Bluetooth Distance ＞10M
Audio Transmission and Remote Control Protocol A2DP/AVRCP
Audio Input 3.5mm
Battery Polymer Lithium battery
What's in the Box 1 x Wireless Bluetooth G800 Headphone; 1 x Lithium battery; 1 x Portable Bay; 1 x USB Charging Cable;1 x 3.5mm Audio Cable;1 x Warranty Card; 1 x User Manual