JBL TUNE 220 TWS Earbuds

Specification:
- Bluetooth version: 5.0
- Driver size : 12mm
- Battery Type: Lithium-ion battery (22 mA/3.85 V)
- Charging time (hours from empty): <2 hrs from empty
- Maximum play time: 19 houes
- Bluetooth frequency: 2.402 GHz – 2.48 GHz
- Bluetooth transmitted modulation: GFSK/ /4DQPSK/ 8DPSK
- Bluetooth transmitter power: 11 dBm