This Bluetooth earphone is a wireless headset with built-in 8GB memory flash MP3 player, digital recorder, step calculating function and APP controlling. Simpler and easier for emergency situation with digital recording pen earphone by just double-click the third button to enter the recording mode. 

• With coaxial double dynamic, it delivers you an extremely accurate listening experience 

• Built-in 8GB memory flash, MP3 player also be available even though without the phone along

• It adds data recording function that monitors your daily exercise effectively via exclusive APP

• Built-in microphone for high quality hands-free phone call

• Unique and fashion necklace designed, enhance your wearing experience

• IPX7 waterproof grade, ideal for sports, outdoor activities

• Download "mifo smart" from App Store

Specification:

• Battery Capacity: 170mAh

• Playing Time: 7 hours

• Standby Time: 1 week

• Charging Time: 1.5 hours

• Bluetooth Version: 4.2

• Speaker Resistance: 32Ω

• Audio Band: 20-20KHz

• Support: A2DP, HFP, HSP

• Operation Range: 33ft (without obstacle)

Compatible with:

• iPhone iPad

• Samsung Sony Huawei etc. Bluetooth-enabled devices