Original Audio Technica ATH-CKR300BT Wireless Bluetooth In-Ear Earphone With Built-in Mic Remote Control Neck Hanging Headphones

Main feature:

1. The newly designed 9.8mm driver unit brings pure sound. The small earphone casing provides excellent comfort and sound quality. The PCB mounted on the top can improve the linearity of the diaphragm, which can reproduce accurate sound;
2. Compact casing and high-performance earphones can be comfortably worn by different people’s ears
Built-in radio head and controller for answering / hanging up calls, controlling music and video playback, and adjusting volume
3. Provide connection to smart phone voice assistant (Siri ™ / Google Assistant ™)

ATH-CKR300BT Bluetooth indicator

Transmission system method: Bluetooth (Bluetooth) Ver.5.0
Effective working distance: up to 10 meters in good condition
Working frequency: 2.4GHz band (2.402GHz ~ 2.480GHz)
Audio encoding: AAC, SBC
Use time: about 8 hours (continuous use)
Charging time: about 2 hours
Standard configuration:
30 cm USB-C charging cable,
Earmuffs (xs / s / m / L), storage bag

ATH-CKR300BT technical specifications (headphone)

Category: dynamic
Unit diameter: Ø9.8 mm
Drive unit: neodymium magnet
Frequency response: 5 ~ 30,000 Hz
Sensitivity: 102 dB / mW
Impedance: 16 ohms
Waterproof rating: IPX2
Weight: 13.5 g

ATH-CKR300BT technical indicators (radio head)

Element: MEMS type
Directivity: Omnidirectional
Sensitivity: -42dB (1V / pa at 1kHz)
Frequency response: 50 ~ 4,000 Hz