Business Wireless Bluetooth Headset Sport Handfree Calling Super Bass Wireless Mono Headphone With Mic 24 Hours Work Time

Beschreibung

Package included: 1x bluetooth headset Product parameters Product Model:K21 Bluetooth Version：V4.1 Working radius:8-10 metres Charging time:about 2.5 hours Listening to music time:About 24 hours Talk time :About 32 hours The Standby time:About 70 days Battery Capacity:300mAh Product Precautions 1.if you do not use earphones for the time being,please put the earphone in the box to protect the earphone from external damage and prevent the loss of the earphone. 2.The prduct is not water-proof,so keep it from liquids,moisture or rain. 3.Do not put the product in a hot place. 4.Do not put the product in the sunlight for a long time. 5.if the product will not be used for a long time,fully charge it and then charge it every two weeks to prolong its battery life. 6. To avoid product damage or safety hazards,do not disassemble the product or use an improper charger. 7. Keep the product away from children and intellectual disabilities to avoid injuries Which functions does the product have? 1.Long endurance 2.Connect 2 mobile phones at the same time. 3.Wear left and right ears. 4.smart switch up and down. 5.Answer/hang up /reject. 6.Telegraph number.