Wireless range up to 33-35 feet. Bluetooth compatibility: V2.0, V1.5, V1.2, V1.1, V1.0. Transmission class: Class 2. Wireless rate: 2.4-2.48GHz. Operating distance:10-12m. Talk time: max 3 hours. Standby time: max 50 hours. Battery capacity:130 Mah. Charging time:2-3 hours Lightweight. Auto-detectable, automatic pairing ready when powered on. Sleek and minimalist design.
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