• Frequency Response: 75-20,000 Hz
• Rated Power: 15 Watts
• Speaker Size: 2 x 45mm
• Battery Type: Lithium polymer (3.7V, 6000mAh)
• Music Playtime: up to 12 hours (varies by volume level and audio content)
• Power Supply: 5VDC USB output: 5V 2.1A (maximum)
• Battery Charge Time: 4 hrs @ 1.8A
• Signal-to-Noise Ratio: >80dB
• Transducer: 2 x 40mm
• Bluetooth Version: 4.1
• Bluetooth Transmitter Power: 0-4 dBm
• Bluetooth Transmitter Frequency Range: 2.402 - 2.480 GHz
• Supported Bluetooth Profiles: A2DP V1.3, AVRCP V1.5, HFP V1.6, HSP V1.2
• Bluetooth Transmitter Modulation: GFSK, π/4 DQPSK, 8DPSK
• Weight/Mass: 21.16 oz (600g)

Why Choose U?

1. We have our own warehouse, which can ensure us of shipping out orders within 24 hours after payment (holiday excluded).
2. Different shipping choices as your request: register airmail, DHL, UPS, FEDEX, TNT, AREX and EMS.
3. All goods will be checked and tested one by one.
4. A professional one-stop phone accessories wholesaler updating amazing new products all the time.

How to order?

1. Please send your order directly by WhatsApp/TM/Skype/WeChat, and confirm your requirements on models, quantities, colors.
2. We will reply you with proforma invoice according to your order request .
3. Kindly check the PI, your goods will be delivered in 1-3 days once your payment finished. 

After Sale Service?

1. Warranty policy: 12 months since shipment.
2. We will send you the replacement or make a refund if there are quality problems with our products.
3. Evaluate the custom risk and choose safest shipping company.
4. Following the shipping track until the goods arrive.

Payment?

1. MoneyGram, T/T , Western Union, Bank Transfer ,Alibaba order, Wechatpay and Alipay. 
2. COD is available for some countries by specific shipping companies.