2017 wireless Bluetooth earbuds for lightnings headphone

Model Number: WONSTART Brand Name: WONSTART Key Specifications/Special Features: Specifications:Chipset: CSR8615,V4.1Frequency: 2.4GHz, Class 2Material: Aluminum + ABS + PCSize(mm): 94.5x32x24.5mmColor: Gold, pink, silverNet weight: 43gBluetooth version: V4.1(HFP1.6, HSP, CVC6.0, HD voice, voice prompts, A2DP, AVRCP, iOS battery State monitor, voice reporting, multipoint)Call time: 4hrsStandby time: 90hrs
Music time: 3hrs
Microphone: 4015
Speaker: φ10mm
Battery: Lithium polymer 40mAh
USB: Two USB port
Car charger input voltage: DC 12-24V
Car charger output voltage: DC 5V 2.1A

Product feature:
The vehicle-mounted charger adopts the high-quality IC and optimized circuit design. The rated output current reaches 2.1 A.
The charger not only charges the Bluetooth headset, but also provides a
USB port to charge smart devices, such as smart phones and tablets.
The charging speed is 30% faster than a common vehicle-mounted charger.
When the vehicle-mounted charger is used to charge the headset, the LED indicator turns red.
After the headset is fully charged, the LED indictor turns blue. The charger is designed with the over-current protection and short-circuit protection functions, which ensure that the charger outputs a safe, stable, and powerful current without damaging devices.

Package includes:
1 x 2–in–1 Bluetooth headset car charger
1 x earphone cover
1 x user manual