Remax S17 In-ear Magnetic Wireless Bluetooth 4.1 Earphone with Mic for iPhone Samsung OPTTCOOL

• Bluetooth 4.1 connection, wide compatibility and more stable signal

• HD stereo sound offers you incredible sound experience with deep bass and crystal clear treble

• Built-in microphone for hands-free phone calling

• Built-in integrated magnets can put the earphone around the neck together when you not using the earbuds

• Soft and ergonomic silicone earbud, comfortable to wear

• Suitable for running, jogging and other outdoor activities

Specification:

• Bluetooth version: 4.1

• Battery capacity: 220mAh

• Frequency: 20Hz-20KHz

• Output sensitivity: 110dB

• Microphone sensitivity: -44dB

• Resistance: 32Ω

• Rated power: 0.814W

• Charging time: 3 hours

• Working time: 10 hours

• Standby time: about 250 hours

• Transmission distance: 10m

• Function: HFP1.6/HSP/HD voice/prompts A2DP AVRCP/IOS battery state

Compatible with:

• iPhone 8/8 Plus/7/7 Plus

• Samsung Galaxy S9

• Other Bluetooth 4.1 enabled smartphones and tablets