Bluetooth 4.1 Earphone Magnetic Outdoor Sports Earphones

✅Bluetooth version: 4.1

✅ Support: HFP, A2DP, AVRCP

✅ Working distance range: 10 meters

✅ Frequency response: 20-20KHz

✅ Sensitivity: 105 dB

✅ High quality 3.7V/60mAh rechargeable lithium battery.

✅ Charging time: about 1.5 hours

✅ Standby time: about 100 hours

✅ Talk time: 2-4 hours

✅Music playing time: 2-4 hours (music volume will affect the time)

✅ Charging port: Micro USB

✅ Colour: black

✅ Cable Length: Approx. 67 cm

✅ Headphones Weight: 14g / 0.50oz