The Endurance Sprint in-ear headphones are designed for your active lifestyle. Bluetooth wireless allows you to stream high quality music without the worry of messy wires interfering with your workout. In just 10 minutes, you can power your headphones for an hour of use. Secure fit ear hook design provides ultimate stability during workout. When not in use, the Magnetic hook provides a convenient storage solution for your headphones. Clip on your shirt or around your bag for easy management. Thanks to TwistLock and FlexSoft technologies, these headphones are lightweight and ergonomically built to ensure comfort and stability no matter the workout.
General Specifications
  • Ear tip material: Silicone
  • Bluetooth version: 4.2
Audio Specifications
  • Driver size (mm): 10.0
  • Number of drivers per ear: 1.0
  • Driver sensitivity at 1kHz/1mW: -20dB
  • Impedance (ohms): 16.0
  • Control and Connection Specifications
  • Bluetooth profiles: HFP v1.6, A2DP v1.3, AVRCP v1.5
  • Bluetooth transmitter power: 4 dbm
  • Bluetooth frequency: 2.402GHz-2.48GHz
  • Bluetooth transmitted modulation: GFSK, π/4DQPSK,8DPSK
  • Dynamic frequency response range: 20Hz–20kHz
  • Battery Type: Lithium-ion polymer (3.7V, 120mAh)
  • Speed Charging time (hours): 2.0
  • Maximum music play time with ANC off (hours): 8.0
  • Rechargable battery: Yes
  • In-ear: Yes
  • Speed charge: Yes
  • Built-in Microphone: Yes
  • Water Proof: Yes
  • Wireless: Yes
  • Hands Free Call: Yes
  • Touch Control: Yes
  • Secure Fit: Yes
  • Twistlock: Yes
  • Siri/ Google Now: No
  • Bixby: No

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