| Specification | Detail |
| Brand | JOYROOM |
| Series / Model | CozyDots Series / JR-TS2 |
| Type | In-Ear True Wireless Sleep Earbuds |
| Bluetooth Version | Bluetooth 5.3 |
| Bluetooth Protocols | HFP, A2DP, AVRCP |
| Audio Codecs | AAC, SBC |
| Wireless Range | Up to 10 meters (Barrier-free) |
| Speaker Driver | Φ5mm Dynamic Driver |
| Frequency Response Range | 20Hz – 20kHz |
| Noise Cancellation | Active Noise Cancellation (ANC) |
| Earbud Battery Capacity | 30 mAh (each) |
| Charging Case Battery Capacity | 350 mAh |
| Music Playback Time | Approximately 5 hours (at 70% volume) |
| Calling Time | Approximately 4 hours (at 70% volume) |
| Total Playback Time (with Case) | Up to 23 hours |
| Standby Time (Connected) | Approximately 120 hours |
| Earbud Charging Time | Approximately 1.5 hours |
| Case Charging Time | Approximately 1.5 hours |
| Charging Interface / Input | USB Type-C (5V ⎓ 1A) |
| Material | ABS + PC |
| Weight | Single Earbud: 3 g / Charging Case: 44 g |
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