a wireless communication device in the car BT LD-158
wireless communication with the car device BT LD-158
specifications:
1. Bluetooth version: V3.0 + EDR
2. Frequency range: 2.4-2.48 GHz
3. Battery Type: 650 mAh Li-Ion battery
4. Charging time: 2-3 hours
5. Talk time: 10-12 hours
6. Standby time: 500 hours
link to the product: https://goo.gl/wWUn4P