• V4.2 Bluetooth version, fast connection and low power consumption

• Convenient magnetic design: Built-in magnet attracts the earplugs when you don't need them

• Neckband design: around-the-neck wearing style with body-contoured fit

• Noise canceling ensure stable quality & stereo sound

• Bluetooth range can reach 10m in an open area

• You can adjust volume by pressing "+" and "-" buttons

• Flexible and lightweight design, provides you a comfortable fit

Specification:

• Bluetooth version: 4.2

• Charging voltage: DC 5V 50mA

• Charging time: about 2.5 hours

• Working current: ＜25mA

• Battery: 3.7V/135mAH

• Standby time: 300h

• Working time: about 7 hours

• Working current: 10-20mA

• Bluetooth working range: 10m

• Frequency range: 2.401-2.480GHz

• SNR: ≥75dB

• Working environment: -40-50°C

• Support protocol: HDPV1.5/A2DPV1.2/AVRCPV1.4/HSP1.2/GAVDP1.2/IOP

Compatible with:

• iPhone X / 8 / 8 Plus

• Samsung Galaxy S8 / S8 Edge

• Huawei P10 / P10 Plus

• Other iPhone, Samsung, Huawei, Sony, HTC etc. smartphones and tablets with Bluetooth 4.2 version