Bluetooth version: V 5.0
Solution: Realtek
Frequency range: 2.402GH z- 2.480GH z
Transmission distance: 10M
Profile: HFP 1.7 HSP 1.2 A2DP 1.3 AVRCP 1.6 SPP 1.2
Li-ion Battery: 40/580 mAh
Charging time: 1-2H
Talking time: Up to 6
H Playing time: Up to 4
H Standby time: Up to 50H
Working voltage: 3.4V - 4.2V
Extra charge times: 4 times Portable hanging rope 1. Auto power-on&pairing, auto power off; 2. Callers ID number prompt; 3. Touch control, music track switching; 4. Compatible with most smart phones with bluetooth; 5. Can be used both of earbuds or single side only
6. Realtek chip, Ultra-low power consumption, working time nearly doubled then normal TWS style
7. Dual ear listening when call is talking (Normal TWS only one side ear listening)
8. Built-in silicon mic, more clear calling sound