Bone Conduction Earphone Sport Waterproof Wireless Headphone

WELCOME TO UPTREND SHOP… Specifications: Bluetooth version: V5.1+EDR Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Usage mode: Bluetooth/card mode(Maximum Support 32g) Transmission distance: 10-15m Battery capacity: 180mAh Charging voltage/current: 5V/1A Play/call time: about 8-10h Charging time: about 2h Standby time: 180 days Speaker impedance: φ16mm 32Ω Microphone sensitivity: -42Db Working temperature: -10-50℃ Package include : Earphone*1， charging cable*1， manual*1 SD card optional (if you need sd card， you can choose option "Earphone Add 8GB SD"or "Earphone Add 16GB SD"

Shipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). Special Announcement:Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more.