GOODS IN SINGAPORE 1. Headphone type: In-Ear2. Bluetooth : 5.3 (AC6983D2)3. Speaker size: 13 mm4. Headphone battery: 40mAh5. Case battery: 320mAh6. Continuous use: 7 hours7. Standby time: 180 hours8. Support for voice commands (Siri, Google Assistant)9. Size : 58 x 49 x 25 mm10. Weight : 50 g