Wireless Moto Helmet Anti-interference Headset bluetooth Waterproof Hands Free bluetooth Intercom for motorcycle 3.7V USB

Package included: 1 x Bluetooth Earphone 1 x User Manual 1 x USB Cable 3 x Microphone Sponge Cover 4 x Velcro Adhesive

Description: Name: Bluetooth headset Model: A93427 Bluetooth Specifications: V4.2+EDR/A2DP/AVRCP/HFP Frequency range: 2.4026GHz-2.480GHz Transmission distance: 20-50m/66-164ft Channel: stereo Speaker parameters: 24 ohms / 30mm Speaker power: 30 mW x 2 Signal to noise ratio: 110dB Siri: Support Lithium Battery: 3.7V/250mAh Play time: 13 hours (100 audio playback) Talk time: 18 hours or more Standby time: 700 hours or more Charging time: about 2.5 hours Leisure time: 1200 days