Specification:
Bluetooth solution:CSR8610
Bluetooth version: 4.0 
Standby time: about 50H
Talking time: about 2H
Music time: about 2.5H
Charging time: about 2H
Frequency: 2.402G-2.480G
Range: 10m
Battery Capacity:35 mAh
Temperature:-20-60 Celsius
Working Voltage:3.4V-4.2V
Transmission power:0dbm
Product Size:94.1*44.5*41.5mm

Package:
1*2 in 1 Bluetooth Earbuds + Car Charger
1*User Manual

• Tailored to ensure driving safety,protecting privacy and private calls
• Designed for convenience and health,integrating bluetooth with the vehicle-mounted charger
• Fast charging 2.1A smart car,intelligent charging for uninterrupted power supply
• Picking up the headset to use at any time without wearing the headset all the time
• Answering a call by simply picking up the headset and finishing the call by putting the headset back to the base without pressing any button

Tailored to ensure driving safety,protecting privacy and private callsROMAN