Key Specifications/Special Features:

Waterproof sports Bluetooth stereo earbuds wireless music headset with magnet 
High-quality stereo music streaming with Apt-X technology
Dual-microphone noise cancellation
Bluetooth standard: version 4.1
Multi-point HFP connection to 2 phones for voice
Multi-point A2DP connection enables a headset (A2DP) connection to 2 A2DP source devices for music playback
Bluetooth mode: headset/handsfree/A2DP/AVRCP
Operating range: up to 10 meters
Talking time: 10 hours
Music playing time: 10 hours
Standby time: up to 250 hours
Frequency range: 2.4GHz
Inputs: 110 to 240V AC
Output: 5.3V DC
Charging time: 2-3 hours
Size: 35 x 18 x 34.50mm
Net weight: 20g
Accessories: micro USB charging cable, user's manual
Switch songs: Press Volume+ or Volume- for 2 sec
Adjust volume: Press Volume+ or Volume -
ANC OFF/ ON:       Press MFB twice time
Anti Noise Cancellation Neckband Bluetooth Headphone DC320

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