Sport Wireless Stereo Neckband Bluetooth Headset Waterproof Noise Cancelling Earbuds with In-line Microphone (Black)

Function: Bluetooth, Waterproof, Noise Cancelling, Microphone
Features:
Unique ring-necked design, opening up a new era of Bluetooth.
Ultralight elastic memory material, easy to carry.
Vibrate to remind you not miss any incoming calls.
Simultaneously connect multiple devices to easily switch calls Entertainment.
High-fidelity stereo audio earphones enjoy entertainment.
Intelligent noise reduction, clearer calls.
Long standby (360 hours), long call (10 hours)
Compatible with standard Bluetooth-enabled mobile phone, media devices.

Specifications:
Frequency response:20Hz-20KHz
Working Current:25~30 mA
Bluetooth Version:V2.1+ EDR
Effective Range: 10 meters
Rechargeable:USB micro 5 pin cable
SNR:S/N‰¥95