• Single in-ear earphone, minimalistic design
  

• Bluetooth V4.1 connection, high-fidelity sound quality and stable performance

• Built-in microphone, support hands-free phone conversation

• Multipoint connection: it can simultaneously connect two smartphones

• Built-in smart chip and CVC6.0 + DSP noise reduction function, clear phone conversation
  

• Support Chinese/English voice prompt for power on/off, pairing, incoming calls, low battery etc.

• Dual buttons to control on/off, previous/next song, volume up/down, answer / end phone calls and redial last phone call
  

• Silicone ear cap with ear wing, soft, comfortable and stable to wear
  

• Built-in 50mAh lithium battery, long standby time

• Support power display on iOS devices
  

Specification:

• Brand: USAMS

• Model: US-LD001

• Bluetooth version: V4.1

• Working distance: 10m

• Working frequency: 2.402GHz - 2.480GHz

• Frequency response: 80Hz-20KHz

• Battery: 3.7V 50mAh lithium battery

• Charging time: 1.5hours
  

• Music time: 2.5 hours

• Talk time: 3.2 hours

• Input: DC 5V/500mA~1A

Compatible with:

• iPhone iPad Samsung HTC Huawei etc. Bluetooth-enabled smartphones and tablets