Audio-Technica Consumer ATH-CKR7TW True Wireless In-Ear Headphones (Black) Internal Battery: 3.7V rechargeable lithium polymer battery Charging Time (headphones): Approx. 2 hours
Type: Dynamic
Driver Diameter: 11 mm
Frequency Response: 5 - 45,000 Hz
Sensitivity: 100 dB/mW
Impedance: 16 Ohms
Battery
Internal Battery: 3.7V rechargeable lithium polymer battery
Battery Life
6 hours continuous use; 9 additional hours with charging case (15 hours total)
Charging Time (headphones): Approx. 2 hours (for 0-100% charge)
Charging Time (charging case): Approx. 2 hours (for 0-100% charge)
Depending on environmental conditions
Type (Microphone): Condenser
Sensitivity (Microphone): -38 dB (1V/Pa at 1 kHz)
Frequency Response (Microphone): 100 - 10,000 Hz
Polar Pattern (Microphone): Omnidirectional
Input Jack: Micro USB Type B
Communication System: Bluetooth Version 5.0
RF Output: 3.2 mW EIRP
Maximum Communication Range: Line of sight - approx. 10 m (33')
Compatible Bluetooth Profiles: A2DP, AVRCP, HFP, HSP
Support Codec: aptX, AAC, SBC
Accessories Included
1.0' USB charging cable
Eartips (XS, S, M, L)
Portable power bank charging case
