1. Easy to make a phone call, using 360-degree sound pickup technology, with a samping frequency range of 30-16000HZ, can steadily convert sound into electronic signals, and sound clear without noise. 2. Comfortable ear cover, good anti-noise function, the inner part of the ear cover is made of soft sponge and leather. The silent stereo sound experience. 3. Built-in lithium battery, up to 10 hours of talk time, 250 hours of standby time, easy to use. Product parameters: Product Type: Bluetooth Headset Pei Dai style: head-mounted Function Use: Wireless headset, voice headset Bluetooth version: V4.0 Bluetooth mode support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 Frequency: 2.402-2.480GHZ, 2.4G ISM band RF performance: Receive sensitivity: -84dBm; transmit power up to 4dBm Frequency response: 20 Hz - 20 KHz Signal to noise ratio (SNR): 70Db; Total harmonic distortion rate (THD) 0.1% Power indicator: blue light Headphone charging: rechargeable 400MAH lithium battery Charging port: mini 5-pin USB charging interface Normal charging time: about 2.5 hours Call duration: up to 10 hours Standby length: up to 250 hours Operating temperature: -20oC - 55oC Other features: Support status indicator, charging indicator display Product accessories: headphones, USB charging cable, manual Product packaging size: 17.5*9*13CMSpecification: Package Weight One Package Weight 0.40kgs / 0.88lb One Package Size 9cm * 17.5cm * 13cm / 3.54inch * 6.89inch * 5.12inch Qty per Carton 50 Carton Weight 19.50kgs / 42.99lb Carton Size 56cm * 45cm * 44cm / 22.05inch * 17.72inch * 17.32inch Loading Container 20GP: 240 cartons * 50 pcs = 12000 pcs40HQ: 558 cartons * 50 pcs = 27900 pcs
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