Specifications Brand: Fire-Boltt Model No: BSW180 Color: Lunar Black , Stardust Silver , Celestial Gold , Cosmic Rose Display: 36.3 mm (1.43″) always-on round AMOLED display Resolution: 466 × 466 pixels Water / dust resistance: IP67 rating Battery: 300 mAh battery capacity Connectivity: Bluetooth calling (mic + speaker) supported Health & fitness features: Multi-sport modes, health suite (heart rate, SpO₂, sleep tracking etc) Compatibility: Android & iOS Charging/runtime: Some sources suggest up to 15 days standby in certain conditions Form-factor and size: Round dial, “free size” steel strap in many models