Specifications:
Bluetooth version: V5.2+EDR
Bluetooth protocol: HSP/A2DP/AVRCP/HFP
Wireless frequency: 2.4026GHz-2.480GHz
Frequency range: 20Hz-20KHz
Transmission distance: more than 20 meters
Channel: Stereo
Speaker parameters: 24 ohm/30mm
Rated power: 2 x 30mW
Sound pressure level: 115±3dB
Battery: 300mAh rechargeable lithium battery
Playing time: 35 hours (playing at maximum volume)
Standby time: more than 800 hours
Charging time: 3-4 hours
Functions: previous/next song, volume up/down, play/pause, answer/make/call back, activate SIRI

Package includes:

1 * Helmet wireless headphone

1 * USB cable

2 * Ears caps

1 * Manual

Note: This item with bubble bag packaging, please rest assured that we will pack it well before shipping!

Handsfree Calling/Built-in lithium battery

One button to start/end calling 5 seconds auto answer

Built-in mini USB charging interface for quick and easy chargingBuilt-in large capacity lithium battery, multi-circuit protection, long standby, and working time.

Performance Advantages

1.Using the latest 4.1+EDR Bluetooth technology, superior signal transmission, ultra-low power consumption ,Support all Bluetooth devices, support automatic answering function.

2.No need to answer the phone manually when calling, safe drivingLarge button design, the best choice for male riders.

Performance Advantages

1.Built-in high-quality ani-interference microphone.

2.High-quality headphone speaker, strong bass, clear mid-range, high-pitched sound.

3.External windproof sponge, can effectively realize hands-free answering, hang up the phone, high sound fidelity, easy to operate, easy to useBuilt-in.

No fear of wind,sonow and dust

Advanced waterproof technology,

No fear of wind and rain,super protection,durable