Earphone Wireless Bluetooth Connection Waterproof Motorcycle Helmet Headset

$0.99

Earphone Wireless Bluetooth Connection Waterproof Motorcycle Helmet HeadsetFriendly Tips:1. Please kindly allow 2-3% difference according to manual measurement. 2. Please check the measurement chart carefully before you buy the item. (1 inch = 2.54 cm)3.Please note that slight color difference should be acceptable due to the light and screen. Thanks.Specifications: Working voltage: DC5V Bluetooth version: V4.2+BR+EDR Support Bluetooth protocol: Suppore a2dp/avctp/avdtp/avrcp/hfp/spp/smp/att/gap/gatt/rfcomm/sdp/L2cap profile Effective distance: 10-15 meters / barrier-free 30 meters Frequency: 2.402 GHz to 2.480 GHz Distortion: -70 db Data transmission rate: 300Kb/S Audio coding specification: SBC Transmission power: 4dbm Signal to noise ratio: >90db Sensitivity: -85db Bluetooth connection time: 5-7 S Charging time: 1 Hour Standby time: 160 Hours Continuous working time: 8 HoursPackage Contents: 1 X Helmet Headset Speakers 1 X User ManualPromise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.