SYLLABLE G08S Foldable Bluetooth 4.0 Headset Stereo with Mic

Features
Noisy Reduction With built-in noise cancelling installment,this headphone can cut off outer noise by active noise cancellation.Noise cancelling level is 10DB-15DB.
Long Range Bluetooth With the frequency of 4.0GHz frequency, the Bluetooth headphone can be working normally within a range of 10 meters.
High Performance Adopts diameter 40MM high fidelity compound membrane loudspeaker, its sensitivity is 120DB.Built-in high definition high fidelity audio amplifier.
Multi-functional Keys Power On/Off, Previous/Next Song, Mute,Volume +/-, Light, all these buttons are usually pressed mostly. Making it easier for you to control.
Lithium battery 400 mAh, charging time 2 to 3 hours, working time 8 hours, Long standby time of 180 hours.
Specification
Standard Bluetooth V4.1+EDR
Working Range 10 meters without obstacle
Frequency 2.4GHz-2.4835GHz
Connectivity point-to-point
Phone Talking Time 4-5hours
Standby Time after Pairing About 70 hours
Standby Time without pairing, with power on Auto power off after 10 minutes
Output Power Class II
Power requirement 15-50Ma while working
Socket Diameters 3.5mm
Battery Capacity Rechargeable Polymer Lithium Lon Battery 400mAh
Charge 5V DC, AC adapter input/100-240V
Charging Time 2-3 hours
Operating Temperature 0°C to +60°C
Storage Temperature-20°C to +85°C
Paring Password 0000
Pairing one-for-one, it can match multiple master devices, but by alternative pairing
Operating Voltage 3.0-4.2V