1. Ergonomic structure, as light as nothing. 2. DT4.0 directional transmission, enhances transmission efficiency. 3. Dual transparency mode, listening to music while talking is more natural. 4. Tri frequency enhancement, high pitched, bright, and low pitched, both of which are of high standard. 5. Equipped with dual noise reduction microphones and ENC call noise reduction technology. 6. IPX5 waterproof and sweatproof, fearless of harsh weather or intense exercise, sweating and rain. 7. High performance Bluetooth 5.3 chip, fast pairing and more stable. 8. Specifications: - Bluetooth version: V5.3 - Audio decoding: AAC, SBC - Supported protocols: HFP, A2DP, AVRCP - Working frequency: 2402-2408MHz - Maximum output power: 4 +/- 1dBm (EIRP) - Communication distance: 10m (unobstructed and open environment) - Frequency response range: 20Hz-20KHz - Drive unit: 16.2mm - Music time: about 10 hours (70% volume) - Call time: about 7 hours (70% volume) - Standby time: about 120 hours (connected) - Earphone battery capacity: 120mAh - Charging case battery capacity: 600mAh - Headphone charging time: about 1.5 hours - Charging time of the charging case: about 1.5 hours - The charging case can charge both earphones: about 2 times (actual 1.5 times) - Charging interface of charging case: TYPE-C - Charging case power input: 5V 1A - Material: ABS+silicone
