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ratings | ||||
Overall NDTV Rating | Read Review | Read Review | ||
Design / Comfort Rating | ||||
Audio Quality Rating | ||||
Battery Life Rating | ||||
Value For Money Rating | ||||
key specs | ||||
Headphone Type | In-Ear | Over-Ear | ||
Microphone | Yes | Yes | ||
Connectivity | True Wireless Stereo (TWS) | Wireless | ||
Type | Earphones | Headphones | ||
general | ||||
Brand | Sennheiser | Sony | ||
Model | CX 400BT True Wireless Stereo (TWS) Earphones | WH-1000XM4 Wireless Headphones | ||
Model Number | CX 400BT | WH-1000XM4 | ||
Type | Earphones | Headphones | ||
Headphone Type | In-Ear | Over-Ear | ||
Connectivity | True Wireless Stereo (TWS) | Wireless | ||
Release date | - | August 1, 2020 | ||
product details | ||||
Microphone | Yes | Yes | ||
Driver Type | Dynamic | Dynamic | ||
Driver Size (mm) | 7 | 40 | ||
Number of Drivers | 1 | - | ||
Water Resistant | No | - | ||
Weight (g) | 6.00 | - | ||
Weight With Case (g) | 49 | - | ||
sound features | ||||
Frequency Response Range | 5Hz-21,000Hz | 5Hz-40,000Hz | ||
Sensitivity (dB) | - | 105 | ||
connectivity features | ||||
Bluetooth | Yes | Yes | ||
Bluetooth Version | 5.1 | 5 | ||
Bluetooth Codec Support | SBC,AAC,aptX | SBC,AAC,LDAC | ||
Bluetooth range (Metres) | - | 10 | ||
battery features | ||||
Charging Port | USB Type-C | USB Type-C | ||
Battery Life (Hrs) Earpieces Only | 6 | - | ||
Battery Life (Hrs) With Case Total | 18 | - | ||
Charging Time (Hrs) | - | 3 | ||
Battery Life (Hrs) | - | 28 |