*Bluetooth: BK3266 5.0 EDR dual listening sports Bluetooth headset
* Connection distance: 10-15m non-in-ear headphones
*Microphone: anti-interference microphone, -38dB to protect hearing, health and safety
*Sensitivity: 84±3 db, pay attention to road safety, pay attention to the surrounding environment
*Impedance: 10Ω±15% (800 Hz) Eco-diaphragm speaker
*Frequency range: 20-20KHZ 6D stereo
*Battery capacity: 230mAh polymer battery IPX4 waterproof
*Talk time: ≥6h
*Standby time: 360 hours
*Charging time: 2h
*Net weight: 27g