bluetooth earphone TA17 ANC

FEATURES: 1. ANC depth: -20dB 2. Luxurious appearance, leather texture 3. Hi-Fi sound quality, low latency for games 4. Sensitive touch control, lightweight and comfortable to wear 5. Fast pairing 6. Microphone sensitivity: -38dB+-3dB 7. Accessories: USB charging cable | PARAMETERS: Bluetooth solution: V6.0, AB5716F Bluetooth protocol: A2DP/AVDTP/AVRCP/RFCOMM/HFP/HSP/SPP/HID Battery capacity of earbuds: 40mAh*2 (protection IC) Battery capacity of charging case: 400mAH (protection board) Bluetooth format: AAC/SBC Frequency response range: 2.400-2.480GHz Transmission distance: 10M Channel system: dual channel Microphone: 2718 silicon microphone Microphone sensitivity: -38dB+-3dB Charging voltage: 4.65V-5.5V Working voltage: 3.2V-4.2V Speaker diameter: 10mm Sensitivity: 112(+/-3dB) Impedance: 32Ω Response frequency range: 20～20000Hz Charging time: 1.5H Play time: 7H Talk time: 6H Net weight: about 41.7g Product size: 58.8*49.4*26.3mm Multi-point connection: Unsupported Wearing method In-ear User manual: Chinese and English Charging interface: Type-C