Bluetooth Transmitter for Airplane FlyMate S

Working range: ≥10 m, 33 feet 
Display: 0.91 inch, 128 x 64 OLED 
Frequency: 2.402-2.480GHz 
Codec: SBC / aptX / aptX Low Latency / aptX HD 
RF Power: Class 2, -6~+4dBm 
Sensitivity: -90dBm@GFSK 
Charging connection: Type C 
Battery capacity: 300mAh 
Charging time: ~2 hours 
Working time: ~13 hours