Model NO: TS-C21

Open ear headphone, high end level sound

Bluetooth chipset: QCC3095
Support audio codec: aptX, aptX HD, SBC, and AAC
BT frequency: 2.402 GHz – 2.480GHz
Playtime: About 40hrs (50% volume)
Charging time: 2-3 hours
Talk time: About 28hrs (50% volume)
Operating Distance: 10 meters
Power Source: Li-ion Battery 500mAh
Driver sensitive: 120dB±2dB
Speaker Impedance: 20 ohms/40mm
Microphone: -42dB
Accessory: Type C charging cable