Poly Plantronics Backbeat Pro 5100 True Wireless - Black (213565-99)

Features & Specifications:Bluetooth Version: Bluetooth 5.1 Bluetooth Profiles: HFP 1.7, A2DP 1.3.1, AVRCP 1.6 Wireless range: Up to 33ft/10 m Listen time: Up to 6.5 hours Talk time: Up to 4 hours Charging case battery: Up to 13 hours Speaker driver size: 5.8 mm Harmonic distortion: <3% Frequency response: 20-20,000 Hz Sensitivity: 94 dB SPL Impedance: 16 ohms|:Moisture protection: IP54 ? sweat and water-resistant Microphones: Four-mic noise-canceling DSP WindSmart technology: Protection against wind noise through an adaptive, proprietary algorithm Weight: 5.8g (each earbud), 38.6g (charging case without earbuds) Battery type: Rechargeable, non-replaceable lithium-ion polymer Charge time: 2 hours for a full charge of earbuds (earbuds battery fully depleted), 3 hours for a full charge of earbuds + case (earbuds + cc battery fully depleted) Quick charge: Up to 1 hour of listening with a 10-minute quick charge Charge connector: Micro USB connectionVoice alerts: Yes Languages (voice prompts): 17 languages: US English, UK English, Thai, Swedish, Russian, Norwegian, Mandarin, Spanish, Korean, Japanese, Italian, Indonesian, German, French, Danish, Cantonese, Brazilian Portuguese Applications: BackBeat app on iOS and Android Battery capacity: 60 mAh (earbuds), 440 mAh (charging case) Operating and storage temperature: 32�F ? 104�F/0 ? 40�C|