SoundBot® SB220 Bluetooth Noise-Reduction Stereo Headphone for Music Stream & HandsFree Calling w/ 20 hrs Extended Talk and Playback Time, 400 hrs Standby time, Built-in Mic, A2DP, AVRCP, Chrome

SoundBot SB220 Bluetooth Headset Wireless Stereo Headphone for Music Streaming & HandsFree Calling w/ 20 hrs Talk & Playtime, 16 days Standby Time, Built-in Mic A2DP, AVRCP, Noise Reduction, Human Engineering Behind the Neck Frame

Specification
Bluetooth Specification v2.1+EDR class 2
The latest version of A2DP1.2 and AVRCP1.0 profiles support
Supports Bluetooth Headset and Hands-free Profile(HFP 1.5)
RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band
Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm
Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 Db, Total Harmonic Distortion (THD):0.1%
5 Button design: MFB, VOL+, VOL-, FWD, REV
LED Indicator Status: Blue, Red
Rechargeable 400mAh Li-Polymer Battery
Mini 5 Pin USB Plug charging Port
Charger adapter Output: DC 5V&200mA
Nominal charging time: Max 4 hours
Talk time: Up to 20 hours
Standby time: Up to 400 hours
Dimensions (main body): 54(diameter) x 23(H)mm
Weight: 71.2 grams

Note: No additional drivers required for Mac and Windows computers, please perform the following to get the latest drivers on the computer:

1. Run Windows or Mac OS update to get the latest driver
2. Install the latest driver if you are using a 3rd party bluetooth receiver
3. Check the bluetooth settings and configurations
4. Adjust the input and output sound sources