• Model: Earbuds: M2540E1; Charging case: EC2501 • Harman Golden Ear Team tuning and Hi-Res Audio • Upgraded dual noise cancellation for calls and listening • Frequency response range: 16Hz–40kHz • Type: Semi-in-ear true wireless Bluetooth earbuds --- • Weight of a single earbud: 4.4g (±0.2g) • Dimensions of a single earbud: 31.77 x 17.17 x 20.56mm • Weight of charging case: 34.5g (±1g) • Dimensions of charging case: 52.34 x 52.57 x 24mm • Total weight: 43.4g (±1g) --- • Battery capacity: Earbuds: 35mAh; Charging case: 475mAh • Charging port: Type-C • Earbud input parameters: 5V 100mA • Charging case input parameters: 5V 700mA • Charging case output parameters: 5V 200mA --- • Wireless connection: Bluetooth • Bluetooth protocols: Bluetooth Low Energy / HFP / A2DP / AVRCP • Bluetooth version: BT5.4 • Bluetooth codec: AAC / SBC / aptX Lossless / aptX Adaptive / LC3 (only on selected models) • Operating distance: 10m (open space free of obstacles) --- • IP rating: IP54 (earbuds) --- Warranty Information • Address: 229, Lavender Street, Singapore 338778 • Email: [email protected] • Service Center Number: 85814530 • Call Center Number: 8008528474 Working Hours: • Tuesday – Saturday: 10am – 7pm • (Sunday, Monday, Public Holiday – Closed) • 1 Year Official Warranty • 11mm triple-magnet gold-plated driver • Qualcomm aptX Lossless audio Store in cool and dry place Singapore