Model : HBQ-Q13S tws Stereo type : Bluetooth headset Track system Wireless stereo The control mode : 1 physical button Active passive: active Bluetooth solutions: Realtek RTL8763BFR Bluetooth version : Bluetooth V5.0 Support Bluetooth profile: HFP1.7, 1.2, A2DP1.3, AVRCP1.6, SPP1.2andPBAP1.2, BDR/BLE Bluetooth working frequency: 2.402GHz-2.480GHz Receive sensitivity: (TYP) -85dBm Bluetooth range ≤10 m Rating :50mW Headphone RF power level : Class2 Power amplifier type : chip built-in Audio signal to noise ratio: S / N ≥ 90dB Frequency response : 50Hz～20KHz Speaker type : Full range speaker Φ8 16ohm Microphone MIC: Silicon Mai, -42dB ±3DB, Built-in battery Battery Lithium battery -3.7V, 40mAh No protection board (401015) Music time : About 4 hours (80% volume) Talk time : about 4 hours (80% volume) Charging input criteria: own charging bin Package including:1*Bluetooth earphone Comfortable: Ergonomics in-ear design and super lightweight makes this true wireless earbud snugger and more secure. It can perfectly fit your cochlea. Super light - weight design:Mini concealed ,smaller than a coin,hassle - free listening. Bluetooth Function:Compatible with all Bluetooth functional Android/ios/Windows phones and tablets. Battery:The Earphone charging battery is 560mAh,and the charging chamber is rushed once for 8 times. Guarantee: If You Are Not Satisfied with Your Purchase for Any Reason, Please Feel Free To Contact Us at the Buyer Center or Support Email, 24 hours Quick Reply. Brand TWS Earbuds SKU 100324101_NP-1020594208 connector_1 3.5MM wireless_connectivity Bluetooth