Havit i30 Mini Neck-Mounted Magnetic Sports Bluetooth Earphone(Black)

1. Material: silicone, electronic components2. Bluetooth version: V4.23. Battery: 120mAh lithium battery4. Listening time: about 10 hours5. Talking time: about 9 hours6. Input voltage and current: 5V 1A7. Mini size, comfortable to wear without pressure8. Using MEMS microphone, the noise reduction effect is good, and the wire control is easy to operate9. Integrated design of side wing ear support + inclined in-ear, stable and comfortable, not easy to fall10. Waterproof and sweatproof, safe and secure11. Headphone size: 1.2 x 2.0 cm12. Headphone cable length: 63 cm13. Weight: 14 grams