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Brand Name: OEM Model Number: BTK-28 Style: Headband Communication: Wireless Connectors: V4.0 Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Black Version: V4.0 Bluetooth range: 10meters Talking time: up to 20 hours Standby time: up to 800hours Charging Time: 3-hours The unit size: 174*40.7*159.85mm Weight: 162g Operating Temperature: -10-----45 Storage Temperature: -20-----60 Packaging & Delivery Packaging Detail: gife color box packing and customer's design welcomed Delivery Detail: 20-25 days Specifications HIFI Bluetooth Headphone with built-in high quality speaker Bluetooth 4.0 Support A2DP /AVRCP/ HFP /HSP Wired audio support Model Nr.: BTK-28 HIFI Bluetooth Headphone with built-in high quality speaker Headset Overview: Specification: 1.Bluetooth protocol standards:Bluetooth V4.02. Support Bluetooth profiles: HFP A2DP AVRCP 3.Bluetooth range:10meters4.Talk Time: Up to 20 hours5.Standby time:Up to 800hours6.Play Time:14 hours7.Dimensions (L X W X T): 174*40.7*159.85 (mm)8.Wired audio speaker 9.Weight: 162 g HARDWARE FEATURESPlatformCSR8640 RF Transmission power RFClass 1 9 dbMRF Sensitivity,Radiative RF-90 dbMDisplay UnitnaLED1 blue ,1 REDEEPROM512KWire audio speakerYESVibratorNAConnector-HeadsetMICRO-USB AntennaPcb Speaker30mmVoice prompt YESSwitchpower on/off , volume+, volume-,next , previousOperating Temperature-10-----45Storage Temperature-20-----60 Packages: Photos:
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